View source for Engineering:IPhone 6S

{{short description|Ninth-generation smartphone by Apple Inc.}}
{{lowercase title}}
{{Infobox mobile phone
| name = iPhone 6S<br />iPhone 6S Plus
| logo = IPhone 6s Logo.svg
| logo_size = 160px
| image = IPhone 6s vector.svg
| image_size = 150px
| alt = The iPhone 6S in Rose Gold
| caption = iPhone 6S in Rose Gold
| brand = [[Company:Apple Inc.|Apple Inc.]]
| slogan = "The only thing that’s changed is everything."<ref>{{cite web|title=iPhone 6S |url=https://www.apple.com/iphone-6s |archive-url=https://web.archive.org/web/20150928195109/http://www.apple.com/iphone-6s |publisher=[[Company:Apple Inc.|Apple Inc.]] |archive-date=September 28, 2015 |access-date=December 21, 2016 |url-status=dead |df=mdy-all }}</ref><br>"One powerful phone"<ref>{{Cite web|url=https://www.apple.com/|title=Apple|date=June 12, 2016|access-date=September 16, 2017|url-status=bot: unknown|archive-url=https://web.archive.org/web/20160612011434/http://www.apple.com/|archive-date=June 12, 2016|df=mdy-all}}</ref>
| serieslabel = Generation
| series = 9th
| modelnumber = '''6S:''' <br />A1633 (North America)<br /> A1688 (International)<br />A1700 (China)<br />'''6S Plus:'''<br />A1634 (North America)<br />A1687 (International)<br />A1699 (China)
| networks = GSM, CDMA, [[3G|3G]], EVDO, HSPA+, [[Engineering:LTE (telecommunication)|LTE]]/[[4G|4G]], [[Engineering:LTE Advanced|LTE Advanced]]/4G+
| released = {{Start date and age|2015|09|25}}
| discontinued = {{end date and age|2016|9|7}} (16 and 64 GB)<br>{{end date and age|2018|9|12}} (32 and 128 GB)
| unitssold = 13 million in launch weekend
| unitsshipped = 
| predecessor = [[Engineering:IPhone 6|iPhone 6 / iPhone 6 Plus]]
| successor = [[Engineering:IPhone 7|iPhone 7 / iPhone 7 Plus]]
| related = [[Engineering:IPhone SE (1st generation)|iPhone SE (1st generation)]]
| available = {{Collapsible list|framestyle=border:none; padding:0; |title=September 25, 2015
|1={{wipe|Australia}}
|2={{wipe|Canada}}
|3={{wipe|China}}
|4={{wipe|France}}
|5={{wipe|Germany}}
|6=[[Place:Hong Kong|Hong Kong]]
|7={{wipe|Japan}}
|8=[[Earth:New Zealand|New Zealand]]
|9=Puerto Rico
|10=[[Place:Singapore|Singapore]]
|11={{wipe|United Kingdom}}
|12={{wipe|United States}}
}}{{Collapsible list|framestyle=border:none; padding:0; |title=October 9, 2015
|1=[[Religion:Andorra|Andorra]]
|2=Austria
|3=Belgium
|4=Bosnia and Herzegovina
|5=Bulgaria
|6=Croatia
|7=[[Place:Czech Republic|Czech]]
|8={{wipe|Denmark}}
|9=Estonia
|10={{wipe|Finland}}
|11=Greece
|12=[[Place:Greenland|Greenland]]
|13=Hungary
|14=Iceland
|15=Ireland
|16=Isle of Man
|17=Italy
|18=Latvia
|19=[[Finance:Liechtenstein|Liechtenstein]]
|20=Lithuania
|21=Luxembourg
|22=[[History:Maldives|Maldives]]
|23=Mexico
|24=[[Place:Monaco|Monaco]]
|25=Netherlands
|26={{wipe|Norway}}
|27={{wipe|Poland}}
|28=Portugal
|29=Romania
|30={{wipe|Russia}}
|31=Slovakia
|32=Slovenia
|33={{wipe|Spain}}
|34=Sweden
|35={{wipe|Switzerland}}
|36=Taiwan
|37={{wipe|Pakistan}}
}}{{Collapsible list|framestyle=border:none; padding:0; |title=October 10, 2015
|1=Bahrain
|2=Jordan
|3=Kuwait
|4=Qatar
|5=Saudi Arabia
|6=[[Place:United Arab Emirates|United Arab Emirates]]
}}{{Collapsible list|framestyle=border:none; padding:0; |title=October 16, 2015
|1={{wipe|India}}
|2=[[Place:Israel|Israel]]
|3=Kazakhstan
|4=Macedonia
|5=Malaysia
|6=Malta
|7=Montenegro
|8={{wipe|South Africa}}
|9=[[Place:Turkey|Turkey]]
}}{{Collapsible list|framestyle=border:none; padding:0; |title=October 23, 2015
|1={{wipe|Belarus}}
|2=Colombia
|3=Guam
|4=Moldova
|5=Serbia
|6={{wipe|South Korea}}
|7={{wipe|Ukraine}}
}}{{Collapsible list|framestyle=border:none; padding:0; |title=October 30, 2015
|1={{wipe|Chile}}
|2=Guatemala
|3=Thailand
}}{{Collapsible list|framestyle=border:none; padding:0; |title=November 6, 2015
|1=[[Earth:Mauritius|Mauritius]]
|2={{wipe|Philippines}}
}}{{Collapsible list|framestyle=border:none; padding:0; |title=November 13, 2015
|1={{wipe|Brazil}}
|2=Costa Rica
}}{{Collapsible list|framestyle=border:none; padding:0; |title=March 31, 2017
|1=Indonesia
}}
| type = '''6S: '''[[Engineering:Smartphone|Smartphone]]<br />'''6S Plus:''' [[Engineering:Phablet|Phablet]]
| form = Slate
| size = '''6S:'''<br />{{convert|138.3|mm|in|abbr=on}}&nbsp;H<br />{{convert|67.1|mm|in|abbr=on}}&nbsp;W<br />{{convert|7.1|mm|in|abbr=on}}&nbsp;D<br />'''6S Plus:'''<br />{{convert|158.2|mm|in|abbr=on}}&nbsp;H<br />{{convert|77.9|mm|in|abbr=on}}&nbsp;W<br />{{convert|7.3|mm|in|abbr=on}}&nbsp;D
| lens offset =
| weight = '''6S:''' {{convert|143|g|oz|abbr=on}}<br>'''6S Plus:''' {{convert|192|g|oz|abbr=on}}
| os = '''Original:''' [[Software:IOS 9|iOS 9.0.1]]<br>{{Current iOS}}
| soc = [[Engineering:Apple A9|Apple A9]]
| cpu = 1.85&nbsp;GHz dual-core 64-bit ARMv8-A<ref>{{cite web|url=http://www.idownloadblog.com/2015/09/21/phone-6s-customer-receives-early-benchmarks/ |title=iPhone 6s customer receives her device early, benchmarks show a marked increase in power |publisher=iDownloadBlog |date=September 21, 2015 |access-date=September 25, 2015}}</ref><ref name="A9CPU">{{cite web|url=http://www.anandtech.com/show/9686/the-apple-iphone-6s-and-iphone-6s-plus-review/4|title=A9's CPU: Twister - The Apple iPhone 6s and iPhone 6s Plus Review |publisher=AnandTech |date=November 2, 2015 |access-date=November 4, 2015}}</ref> ''"Twister"''
| gpu = [[PowerVR#Series 7XT|PowerVR GT7600]] (hexa-core)<ref name="iPhone 6S Review">{{cite web |url=http://www.gsmarena.com/apple_iphone_6s-review-1314p6.php |title=iPhone 6S Review |publisher=GSM Arena |date=October 2015}}</ref><ref name="Apple A9/PowerVR GT7600">{{cite web |url=http://www.notebookcheck.net/Imagination-PowerVR-GT7600-in-the-Apple-A9-Benchmarks-and-Specs.150859.0.html |title=Apple A9/PowerVR GT7600 |publisher=NotebookCheck |date=September 2015}}</ref>
| memory = 2&nbsp;GB LPDDR4 [[Random-access memory|RAM]]<ref name="ars-6s-6splus-ram" /><ref name="iPhone 6s Teardown">{{cite web|url=https://www.ifixit.com/Teardown/iPhone+6s+Teardown/48170 |title=iPhone 6s Teardown |website=iFixit |access-date=September 25, 2015}}</ref>
| storage = 16, 32, 64, or 128 [[Gigabyte|GB]] TLC NAND connected via [[Engineering:NVM Express|NVMe]]<ref name="SSDReview" />
| battery = '''6S:''' {{nowrap|3.82 V}} {{nowrap|6.55 W·h}} (1715&nbsp;mA·h) [[Engineering:Lithium polymer battery|Li-Po]]<ref name="iPhone 6s Teardown" /><ref name="6S Battery">{{cite web|url=http://www.macrumors.com/2015/09/09/iphone-6s-1715mah-battery/ |title=Apple's 3D Touch Video Confirms 1715 mAh iPhone 6s Battery |first=Husain |last=Sumram |website=MacRumors |date=September 9, 2015 |access-date=September 11, 2015}}</ref><ref>{{cite web|title=Apple iPhone 6s Teardown|url= http://www.techinsights.com/teardown.com/apple-iphone-6s/ |website=Teardown|access-date=September 26, 2016|ref=battery_lipo}}</ref> 150 min charge time for an average of 8 h 15 min use<ref>[http://www.phonearena.com/news/Google-Nexus-5X-battery-life-test-results-are-out_id74852 Google Nexus 5X battery life test results are out]</ref><br>'''6S Plus:''' {{nowrap|3.8 V}} {{nowrap|10.45 W·h}} (2750&nbsp;mA·h) Li-Po<ref name="6S Plus Battery">{{cite web|url=http://www.macrumors.com/2015/09/21/iphone-6s-plus-smaller-battery/ |title= iPhone 6s Plus Has Smaller 2750mAh Battery |first=Juli |last=Clover |website=MacRumors |date=September 21, 2015 |access-date=September 21, 2015}}</ref> 165 min charge time for an average of 9 h 11 min use<ref>[http://www.phonearena.com/news/iPhone-6s-Plus-posts-excellent-battery-life-matches-the-Galaxy-Note5-to-the-minute_id74132 iPhone 6s Plus posts excellent battery life, matches the Galaxy Note5 to the minute]</ref>
| input = 
| display = '''6S:''' {{convert|4.7|in|mm|abbr=on}} Retina HD, [[Engineering:LED-backlit LCD|LED-backlit]] [[Engineering:IPS panel|IPS LCD]], 1334 × 750 pixel resolution (326 [[Physics:Pixels per inch|ppi]]) with Dual Ion Exchange strengthened glass and 3D Touch<br>'''6S Plus:''' {{convert|5.5|in|mm|abbr=on}} Retina HD, LED-backlit [[Engineering:IPS panel|IPS LCD]], 1920 × 1080 pixel resolution (401 [[Physics:Pixels per inch|ppi]]), 500 cd/m<sup>2</sup> max. brightness (typical), with Dual Ion Exchange strengthened glass and 3D Touch
| rear_camera = Sony Exmor RS IMX315 12 MP (1.22&nbsp;μm), [[Physics:Flash (photography)|true-tone flash]], [[Engineering:Autofocus|autofocus]], IR filter, [[Burst mode (photography)|burst mode]], f/2.2 [[F-number|aperture]], [[4K resolution|4K]] video recording at 30 [[Frame rate|fps]] or [[Engineering:1080p|1080p]] at 30 or 60 fps, slow-motion video ([[Engineering:1080p|1080p]] at 120 fps and [[Engineering:720p|720p]] at 240 fps), timelapse with stabilization, panorama (up to 63 megapixels), [[Face detection|face detection]], digital image stabilization, optical image stabilization ('''6S Plus''' only)
| front_camera = 5 MP, [[Burst mode (photography)|burst mode]], f/2.2 [[F-number|aperture]], [[Physics:Camera#Exposure control|exposure control]], [[Face detection|face detection]], auto-[[High-dynamic-range imaging|HDR]], 720p HD video recording, Retina flash
| sound = Mono speaker, 3.5 mm [[Engineering:Phone connector (audio)|stereo audio jack]]
| connectivity = {{Collapsible list|title='''All models:'''
|1=[[Engineering:LTE (telecommunication)|LTE]] (Bands 1 to 5, 7, 8, 12, 13, 17 to 20, 25 to 29), TD-LTE (Bands 38 to 41), TD-SCDMA 1900 (F), 2000 (A), [[UMTS]]/HSPA+/DC-HSDPA (850, 900, 1700/2100, 1900, 2100&nbsp;MHz), CDMA [[Engineering:Evolution-Data Optimized|EV-DO]] Rev. A (800, 1700/2100, 1900, 2100&nbsp;MHz), GSM/EDGE (850, 900, 1800, 1900&nbsp;MHz), [[Wi-Fi]] (802.11 [[IEEE 802.11a-1999|a]]/[[IEEE 802.11b-1999|b]]/[[IEEE 802.11g-2003|g]]/[[IEEE 802.11n-2009|n]]/[[IEEE 802.11ac|ac]]), [[Bluetooth#Bluetooth v4.2|Bluetooth 4.2]], NFC, [[Engineering:GPS|GPS]], [[Astronomy:GLONASS|GLONASS]], Galileo & QZSS}}<ref name="iPhone 6s specs">{{cite web|title=iPhone 6s specs|url=https://www.apple.com/iphone-6s/specs/|website=[[Company:Apple Inc.|Apple]]|access-date=September 12, 2015}}</ref>
{{Collapsible list|title='''Models A1633 and A1634:'''
|1=[[Engineering:LTE (telecommunication)|LTE]] (Band 30)}}<ref name="iPhone 6s specs"/>
| other = [[Software:FaceTime|FaceTime]] audio- or video-calling
| sar = {{Collapsible list
| title=6S<ref>[https://www.apple.com/legal/rfexposure/iphone8,1/en/ iPhone 6S RF Exposure information]</ref>
| 1='''Model A1633, A1688, A1691, A1700'''<br />Head: 1.14 W/kg<br />Body: 1.14 W/kg
}}
{{Collapsible list
| title = 6S Plus<ref>[https://www.apple.com/legal/rfexposure/iphone8,2/en/ iPhone 6S Plus RF Exposure information]</ref>
| 1 = '''Model A1634, A1687, A1690, A1699'''<br />Head: 1.12 W/kg<br />Body: 1.14 W/kg
}}
| hac = M3, T4<ref>{{cite web |author=Apple |date=September 12, 2018 |access-date=February 28, 2019 |publisher=Apple Support |title=About Hearing Aid Compatibility (HAC) requirements for iPhone - Apple Support |url=https://support.apple.com/en-us/HT202186}}</ref> 
| website = {{webarchive|url=https://web.archive.org/web/20151201171531/http://www.apple.com/iphone-6s/|title=iPhone 6s - Apple|date=December 1, 2015}}
| references = 
|Memory = 2 GB of RAM
|manufacturer=Foxconn (on contract)}}

The '''iPhone 6S''' and '''iPhone 6S Plus''' (stylized and marketed as '''iPhone 6s''' and '''iPhone 6s Plus''') are [[Engineering:Smartphone|smartphone]]s that were designed, developed, and marketed by [[Company:Apple Inc.|Apple Inc.]] It is the [[Engineering:List of iOS devices|ninth]] generation of the [[Engineering:IPhone|iPhone]]. They were announced on September 9, 2015, at the Bill Graham Civic Auditorium in {{wipe|San Francisco}} by Apple CEO Tim Cook, with pre-orders beginning September 12 and official release on September 25, 2015. The iPhone 6S and 6S Plus were succeeded by the [[Engineering:IPhone 7|iPhone 7]] and [[Engineering:IPhone 7|iPhone 7 Plus]] on September 7, 2016<ref>{{cite web |author=Apple |date=September 7, 2016 |access-date=October 8, 2018 |publisher=Apple |title=Apple introduces iPhone 7 & iPhone 7 Plus - Apple |url=https://www.apple.com/newsroom/2016/09/apple-introduces-iphone-7-iphone-7-plus/}}</ref> and were discontinued with the announcement of the [[Engineering:IPhone XS|iPhone XS, iPhone XS Max]], and iPhone XR on September 12, 2018.

The iPhone 6S has a similar design to the [[Engineering:IPhone 6|iPhone 6]] but includes updated hardware, including a strengthened [[Chemistry:Aluminium alloy|7000 series aluminium alloy]] chassis  and upgraded  [[Engineering:Apple A9|Apple A9]] system-on-chip, a new 12-megapixel rear camera that can record up to [[4K resolution|4K]] video at 30fps, can take dynamic “Live Photos” and also features for the first time front facing “Retina Flash” which brightens up the display three times of its highest possible brightness for selfies, 2nd generation [[Touch ID]] [[Fingerprint recognition#Fingerprint recognition in mobile phones|fingerprint recognition sensor]], [[Engineering:LTE Advanced|LTE Advanced]] support, and "Hey Siri" capabilities without needing to be plugged in. The iPhone 6S also introduces a new hardware feature known as "3D Touch", which enables pressure-sensitive touch inputs. The iPhone 6S and iPhone 6S Plus are also the first smartphones to use the fastest high end flash storage [[Engineering:NVM Express|NVM Express]](NVMe)

The iPhone 6S had a positive reception. While performance and camera quality were praised by most reviewers, the addition of 3D Touch was liked by one critic for the potential of entirely new interface interactions, but disliked by another critic for not providing users with an expected intuitive response before actually using the feature. The battery life was criticized, and one reviewer asserted that the phone's camera was not significantly better than the rest of the industry. The iPhone 6S set a new first-weekend sales record, selling 13&nbsp;million models, up from 10&nbsp;million for the iPhone 6 in the previous year. However, Apple saw its first-ever quarterly year-over-year decline in iPhone sales in the months after the launch, credited to a saturated smartphone market in Apple's biggest countries and a lack of iPhone purchases in developing countries.

== History ==
Before the official unveiling, several aspects of the iPhone 6S were rumored, including the base model having 16&nbsp;[[Gigabyte|gigabyte]]s of storage,<ref>{{cite web |first=Kevin |last=Tofel |title=Report: iPhone 6s base model to have 16GB of storage |url=http://www.zdnet.com/article/report-iphone-6s-base-model-to-have-16gb-of-storage/ |website=[[ZDNet]] |publisher=CBS Interactive |date=August 28, 2015 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=Benjamin |last=Mayo |title=iPhone 6S rumors: New packaging leak suggests 16 GB base model will stay around for another product cycle |url=https://9to5mac.com/2015/08/28/iphone-6s-16gb-64-gb-128gb-rumor/ |website=9to5Mac |date=August 28, 2015 |access-date=April 4, 2017}}</ref> the pressure-sensitive display technology known as 3D Touch,<ref>{{cite web |first=Mark |last=Gurman |title=iPhone 6s to have '3D Touch' three-level, next-gen Force Touch interface |url=https://9to5mac.com/2015/09/05/iphone-6s-3d-touch-screen/ |website=9to5Mac |date=September 5, 2015 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=Dante |last=D'Orazio |title=Force Touch on iPhone 6S will reportedly recognize three kinds of taps |url=https://www.theverge.com/2015/9/5/9267035/iphone-6s-3d-touch-display-rumor |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=September 5, 2015 |access-date=April 4, 2017}}</ref> and a new rose gold color option.<ref>{{cite web |first=Neil |last=Hughes |title=Apple's next-gen 'iPhone 6s' to come in rose gold model, feature 2GB RAM, 12MP camera |url=http://appleinsider.com/articles/15/05/12/apples-next-gen-iphone-6s-to-come-in-luxury-rose-gold-model-feature-2gb-ram-12mp-camera |website=AppleInsider |date=May 12, 2015 |access-date=April 4, 2017}}</ref>

iPhone 6S and iPhone 6S Plus were officially unveiled on September 9, 2015, during a press event at the Bill Graham Civic Auditorium in {{wipe|San Francisco}}. Pre-orders began September 12, with the official release on September 25.<ref>{{cite web |first=Jacob |last=Kastrenakes |title=iPhone 6S announced: 3D Touch, 12-megapixel rear camera, rose gold finish, available September 25th for $199 |url=https://www.theverge.com/2015/9/9/9261591/apple-iphone-6s-announced-specs-price-release-date |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=September 9, 2015 |access-date=April 4, 2017}}</ref><ref>{{cite web |first1=Ben Fox |last1=Rubin |first2=Shara |last2=Tibken |title=Apple unveils iPhone 6S, 6S Plus, aiming to tighten grip on high-end smartphones |url=https://www.cnet.com/news/apple-unveils-iphone-6s-6s-plus-aiming-to-tighten-grip-on-high-end-smartphones/ |website=CNET |publisher=CBS Interactive |date=September 9, 2015 |access-date=April 4, 2017}}</ref>

On September 7, 2016, Apple announced the [[Engineering:IPhone 7|iPhone 7]] and [[Engineering:IPhone 7 Plus|iPhone 7 Plus]] as successors to the iPhone 6S and 6S Plus, although they continued to be sold at a reduced price point as entry-level options in the iPhone lineup.<ref>{{cite web |first=Dan |last=Seifert |title=iPhone 7 and 7 Plus announced with water resistance, dual cameras, and no headphone jack |url=https://www.theverge.com/2016/9/7/12758236/apple-iphone-7-announced-features-price-release-date |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=September 7, 2016 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=Jordan |last=Crook |title=Apple *officially* unveils the iPhone 7 and iPhone 7 Plus |url=https://techcrunch.com/2016/09/07/apple-officially-unveils-the-iphone-7-and-iphone-7-plus/ |website=TechCrunch |publisher=AOL |date=September 7, 2016 |access-date=April 4, 2017}}</ref>

On March 31, 2017, the iPhone 6S and 6S Plus were released in Indonesia alongside the iPhone 7 and 7 Plus, following Apple's [[Research and development|research and development]] investment in the country.<ref>{{cite web |first=Roger |last=Fingas |title=Indonesian iPhone sales to resume on March 31 after Apple R&D investments |url=http://appleinsider.com/articles/17/03/17/indonesian-iphone-sales-to-resume-on-march-31-after-apple-rd-investments |website=AppleInsider |date=March 17, 2017 |access-date=April 6, 2017}}</ref><ref>{{cite web |first=Zac |last=Hall |title=Apple resuming iPhone sales in Indonesia after $44M investment meeting local requirements |url=https://9to5mac.com/2017/03/17/iphone-indonesia/ |website=9to5Mac |date=March 17, 2017 |access-date=April 6, 2017}}</ref>

The iPhone 6S, iPhone 6S Plus, and [[Engineering:IPhone SE (1st generation)|first-generation iPhone SE]] were the last iPhone models to feature a standard 3.5&nbsp;mm [[Engineering:Phone connector (audio)|stereo headphone jack]], and were discontinued on September 12, 2018 with the release of the iPhone XR.<ref>{{cite web |author=Adnan Farooqui |date=September 17, 2018 |access-date=October 8, 2018 |publisher=Ubergizmo |title=Apple Discontinues The iPhone 6S And iPhone SE As Well |url=https://www.ubergizmo.com/2018/09/apple-discontinues-iphone-6s-and-iphone-se/}}</ref>

<gallery widths="200px" heights="200px">
File:Iphone6S X-RAY.jpg|X-ray of the iPhone 6S
File:IPhone_6s_rear,_Space_Gray.jpg|The Space Gray variant of an iPhone 6S showing its rear [[Chemistry:Aluminum|aluminum]] housing, identical to the [[Engineering:IPhone 6|iPhone 6]]. The "S" logo is the main visible difference from the iPhone 6.
File:Apple-iPhone-6S-Plus-Inside.jpg|An iPhone 6S Plus with the glass screen removed.
</gallery>

==Specifications==
=== Hardware ===
==== Design ====
{| class="wikitable" style="float:left;"
|-
!Color !!Name !!Front !!Antenna
|-
|bgcolor="#B1B2B7"| ||Space Gray ||Black ||rowspan="2"|Light Grey
|-
|bgcolor="#E2E3E4"| ||Silver ||rowspan="3"|White
|-
|bgcolor="#E3CCB4"| ||Gold ||rowspan="2"|White
|-
|bgcolor="#ECC6C1"| ||Rose Gold
|}

The iPhone 6S is nearly identical in design to the [[Engineering:IPhone 6|iPhone 6]]. In response to the "bendgate" design flaws of the previous model, changes were made to improve the durability of the chassis: the 6S was constructed from a stronger, 7000 series aluminum alloy,<ref name="wired-cantseechange" /> "key points" in the rear casing were strengthened and reinforced, and touchscreen [[Engineering:Integrated circuit|integrated circuit]]s were re-located to the display assembly.<ref name="wired-cantseechange">{{cite news |title=You Can't See the iPhone 6S and 6S Plus' Biggest Changes |first=Tim |last=Moynihan |date=September 9, 2015 |url=https://www.wired.com/2015/09/iphone-6s-6s-plus-biggest-changes-invisible/ |website=Wired |publisher=Condé Nast |access-date=September 12, 2015}}</ref> Alongside the existing gold, silver, and space gray options, a new rose gold color option was also introduced.<ref name="wsj-6svs6" />

==== Chipsets ====
The iPhone 6S is powered by the [[Engineering:Apple A9|Apple A9]] system-on-chip, which the company stated is up to 70% faster than [[Engineering:Apple A8|Apple A8]], and has up to 90% better graphics performance.<ref name="wsj-6svs6">{{cite news|title=Apple's iPhone 6S vs iPhone 6: The Key Differences|url=https://blogs.wsj.com/personal-technology/2015/09/09/apples-iphone-6s-vs-iphone-6-the-key-differences/|website=Wall Street Journal|first=Wilson|last=Rothman|date=September 9, 2015|publisher=Dow Jones & Company|access-date=September 12, 2015}}</ref> The iPhone 6S has 2&nbsp;[[Gibibyte|GiB]] of RAM, twice as much as any previous iPhone,<ref name="ars-6s-6splus-ram">{{cite news|url=https://arstechnica.com/apple/2015/09/xcodes-ios-simulator-reports-2gb-ram-for-iphone-6s-4gb-for-ipad-pro/ |title=Xcode's iOS simulator reports 2GB RAM for iPhone 6S, 4GB for iPad Pro |first= Andrew |last=Cunningham |website=Ars Technica |publisher=Condé Nast |date=September 14, 2015 |access-date=September 14, 2015}}</ref> and also supports [[Engineering:LTE Advanced|LTE Advanced]].<ref name="wired-cantseechange" /> The [[Touch ID]] sensor on the 6S was also updated, with the new version having improved fingerprint scanning performance over the previous version.<ref name="phonearena-removed">{{cite web|last1=H.|first1=Victor|title=Apple iPhone SE TouchID is the same as in 5s, slower than iPhone 6s fingerprint sensor|url=http://www.phonearena.com/news/Apple-iPhone-SE-TouchID-is-the-same-as-in-5s-much-slower-than-iPhone-6s-fingerprint-sensor_id79522|publisher=Phone Arena|access-date=March 22, 2016|date=March 21, 2016}}</ref>

==== Batteries ====
While the capacities of their non-user-replaceable batteries are slightly smaller (1715 mAh and 2750 mAh respectively), Apple rates the iPhone 6S and 6S Plus as having the same average battery life as their respective predecessors (1810 mAh and 2906 mAh).<ref name=cnet-iphone-6s-battery-life>{{cite news |last=Carnoy |first=David |date=September 10, 2015 |title=One spec Apple didn't improve in iPhone 6S: Battery life |url=http://www.cnet.com/news/iphone-6s-battery-life/ |website=CNET |access-date=September 14, 2015}}</ref> The A9 system-on-chip was dual-sourced from [[Company:TSMC|TSMC]] and [[Company:Samsung Electronics|Samsung]]. Although it was speculated that the Samsung version had worse battery performance than the TSMC version, multiple independent tests have shown there is no appreciable difference between the two chips.<ref name=no_chipgate>{{cite web|last1=Cunningham|first1=Andrew|title=Consumer Reports: "No 'Chipgate' problems" with iPhone 6S battery life|url=https://arstechnica.com/apple/2015/10/consumer-reports-no-chipgate-problems-with-iphone-6s-battery-life/|website=Ars Technica|access-date=October 19, 2015}}</ref><ref>{{cite web|url=https://www.pcmag.com/article2/0,2817,2492863,00.asp|title=iPhone 6s 'Chipgate' Stirs Battery Fears|work=PC Magazine|access-date=March 22, 2016}}</ref> Although the device was not promoted as such, the iPhone 6S has a degree of water resistance because of a change to its internal design, which places a silicone seal around components of the logic board and an adhesive [[Engineering:Gasket|gasket]] around the display assembly<ref>{{cite web |last1=Suovanen |first1=Jeff |title=Is the New iPhone 6S Waterproof? We Opened It Up (Again) to Find Out |url=https://www.ifixit.com/News/iphone-waterproof |website=[[Company:IFixit|iFixit]] |access-date=26 July 2019}}</ref> to prevent them from being [[Physics:Short circuit|shorted]] by accidental exposure to water.<ref name=wired-6swaterproof>{{cite web|title=Apple's Clever Tech Makes the iPhone 6s Nearly Waterproof|url=https://www.wired.com/2015/10/waterproof-iphone-6s/|website=Wired|access-date=October 3, 2015}}</ref>

==== Displays ====
Their displays are the same sizes as those of the iPhone 6, coming in 4.7-inch 750p and 5.5-inch [[Engineering:1080p|1080p]] (Plus) sizes. The iPhone 6S features a technology known as 3D Touch; sensors are embedded in the screen's backlight layer that measure the firmness of the user's touch input by the distance between it and the cover glass, allowing the device to distinguish between normal and more forceful presses. 3D Touch is combined with a Taptic Engine vibrator to provide associated [[Engineering:Haptic technology|haptic feedback]].<ref name=bloomberg-howbuild3dtouch>{{cite news|title=How Apple Built 3D Touch|url=https://www.bloomberg.com/features/2015-how-apple-built-3d-touch-iphone-6s/|website=Bloomberg News|first=Josh|last=Tyrangiel|date=September 9, 2015|access-date=September 12, 2015}}</ref> Although similar, this is distinct from the [[Engineering:Force Touch|Force Touch]] technology used on the [[Engineering:Apple Watch|Apple Watch]] and the trackpad of the Retina MacBook, as it is more sensitive and can recognize more levels of touch pressure than Force Touch.<ref name=wired-3dtouch>{{cite news|first=Molly|last=McHugh|title=Yes, There Is a Difference Between 3D Touch and Force Touch|url=https://www.wired.com/2015/09/what-is-the-difference-between-apple-iphone-3d-touch-and-force-touch/|website=Wired|publisher=Condé Nast|access-date=September 9, 2015|date=September 9, 2015}}</ref><ref name=verge-handson>{{cite news|first=Dieter|last=Bohn|title=iPhone 6S and iPhone 6S Plus: hands-on with 3D Touch and the new cameras|url=https://www.theverge.com/apple/2015/9/9/9277881/iphone-6s-plus-hands-on-photos-video-camera|website=[[The Verge]]|publisher=[[Company:Vox Media|Vox Media]]|access-date=September 9, 2015|date=September 9, 2015}}</ref> Due to the hardware needed to implement 3D Touch, the iPhone 6S is heavier than its predecessor.<ref name=verge-3dtouchheavier>{{cite news|title=New aluminum alloy isn't to blame for iPhone 6S weight gain|url=https://www.theverge.com/2015/9/12/9315471/iphone-6s-new-aluminum-doesnt-make-phone-heavier|first=Dante|last=D'Orazio|date=September 12, 2015|website=The Verge|publisher=Vox Media|access-date=September 14, 2015}}</ref>

==== Cameras ====
The iPhone 6S and 6S+ feature a 12-megapixel (4032×3024 pixels<ref>{{Cite web|date=2015-10-10|title=Kameravergleich: iPhone 6 gegen iPhone 6s Plus im Low-Light Bereich › technikkram.net|url=https://technikkram.net/blog/2015/10/10/kameravergleich-iphone-6-gegen-iphone-6s-plus-im-low-light-bereich/|access-date=2020-07-17|website=technikkram.net|language=de-DE}}</ref>) rear-facing camera, an upgrade from the 8-megapixel (3264×2448) unit on previous models, as well as a 5-megapixel front-facing camera, compared to 1.3 megapixels of the [[Engineering:IPhone 5|iPhone 5]], iPhone 5s, [[Engineering:IPhone 6|iPhone 6]], 6 Plus and [[Engineering:IPhone SE (1st generation)|iPhone SE]]. 

Their rear camera can record 4K video (3840×2160p) for the first time on an iPhone, as well as FullHD (1920×1080p) video at 30, 60 and now 120 frames per second, the latter also for the first time on an iPhone.<ref name=engadget-6scamera>{{cite news|title=Apple's iPhone 6s camera makes a huge leap in quality|url=https://www.engadget.com/2015/09/09/apples-iphone-6s-camera-makes-a-leap-in-quality/|first=Steve|last=Dent|date=September 9, 2015|website=Engadget|publisher=AOL|access-date=September 12, 2015}}</ref><ref name=anandtech-6shandson>{{cite news|title=Hands On With the iPhone 6s and iPhone 6s Plus|url=http://www.anandtech.com/show/9620/hands-on-with-the-iphone-6s-and-iphone-6s-plus|website=Anandtech|publisher=Purch, Inc.|first=Joshua|last=Ho|date=September 9, 2015|access-date=September 12, 2015}}</ref> The camera was well received by many critics of the phone.<ref>{{Cite news|url=https://www.techradar.com/reviews/phones/mobile-phones/iphone-6s-1303758/review/4|title=iPhone 6S review|work=TechRadar|access-date=May 7, 2018|language=en}}</ref><ref>{{Cite news|url=https://gizmodo.com/iphone-6s-camera-review-apple-is-no-longer-the-king-of-1733566635|title=iPhone 6s Camera Review: Apple Is No Longer the King of Mobile Photos|last=Hession|first=Michael|work=Gizmodo|access-date=May 7, 2018|language=en-US}}</ref><ref>{{Cite news|url=http://www.trustedreviews.com/reviews/iphone-6s-isight-and-facetime-hd-camera-page-2|title=iSight and Facetime HD Camera Review {{!}} Trusted Reviews|work=Trusted Reviews|access-date=May 7, 2018|language=en-US}}</ref> When the camera takes a 4K video recording, it can use the storage on the phone rapidly. The 16 gigabyte version of the phone was only capable of holding 40 minutes of 4K video ([[Bit rate|bit rate]]: 6 MB/s or 48 Mbit/s).<ref>{{Cite news|url=http://www.iphonehacks.com/2015/09/iphone-6s-4k-video-space.html|title=Here's how much storage space a 1 minute 4K video will take on the iPhone 6s|date=September 10, 2015|work=iPhone Hacks {{!}} #1 iPhone, iPad, iOS Blog|access-date=May 7, 2018|language=en-US}}</ref>

Still photos with 6.5 megapixels (3412×1920) can be captured during video recording.<ref name=PhotoDuringVideo>{{Cite web|title=Snap Photos and Record Video on an iPhone at the Same Time|url=https://www.lifewire.com/take-photo-while-recording-video-iphone-1999621|access-date=2020-07-17|website=Lifewire|language=en|date=2020-01-22}}</ref> 

==== Storage ====
The iPhone 6S and 6S Plus were originally offered in models with 16, 64, and 128 GB (14.9, 59.6 or 119.2 GiB) of internal storage. Following the release of [[Engineering:IPhone 7|iPhone 7]] in September 2016, the 16 and 64&nbsp;GB models were dropped and replaced by a new 32&nbsp;GB (29.8 GiB) option.<ref>{{cite web|first=Mitchel|last=Broussard|title=Apple Updates iPhone 6s Storage Tiers With New Options and Prices|url=http://www.macrumors.com/2016/09/08/apple-updates-iphone-6s-storage/|date=September 8, 2016|access-date=September 11, 2016}}</ref> Some of this storage space is used by preinstalled software, resulting in usable storage of 11.5, 27.5, 56.5 and 114 GiB.<ref>[https://www.macworld.co.uk/feature/ipad/whats-iphone-ipod-ipads-true-formatted-storage-capacity-3511773/ What's the true formatted storage capacity of an iPhone, iPad or iPod?]</ref> For improved storage performance, iPhone 6S utilizes [[Engineering:NVM Express|NVM Express]] (NVMe), resulting in a maximum average read speed of 1,840 megabytes per second.<ref name="SSDReview">{{Cite news|first=Les |last=Tokar |title=iPhone 6S Uses NVMe Storage – Performance Determined By Capacity |url=http://www.thessdreview.com/daily-news/latest-buzz/iphone-6ss-nvme-controller-and-speed-dictated-by-device-capacity/ |date=October 4, 2015 |access-date=February 14, 2016 |newspaper=The SSD Review |page=1}}</ref><ref>{{Cite news|first=Les |last=Tokar |title=iPhone 6S Uses NVMe Storage – Performance Determined By Capacity |url=http://www.thessdreview.com/daily-news/latest-buzz/iphone-6ss-nvme-controller-and-speed-dictated-by-device-capacity/2/ |date=October 4, 2015 |access-date=February 14, 2016 |newspaper=The SSD Review |page=2}}</ref>

===Software===
The iPhone 6S originally shipped with [[Software:IOS 9|iOS 9]]; the operating system leverages the 3D Touch hardware to allow recognition of new gestures and commands, including "peeking" at content with a light touch and "popping" it into view by pressing harder,<ref name=bloomberg-howbuild3dtouch/> and accessing [[Context menu|context menu]]s with links to commonly used functions within apps with harder presses on home screen icons.<ref name=bloomberg-howbuild3dtouch/> The camera app's "Retina Flash" feature allows the display's brightness to be used as a makeshift flash on images taken with the front camera, while "Live Photos" captures a short video alongside each photo taken.<ref name=wired-cantseechange/><ref name=anandtech-6shandson/>

The iPhone 6S, 6S Plus, and [[Engineering:IPhone SE (1st generation)|first-generation SE]] support iOS 12, which was first released on September 17, 2018. They also support [[Software:IOS 13|iOS 13]], unveiled on June 3, 2019, and was released to the public on September 19, 2019; as well as [[Software:IOS 14|iOS 14]], unveiled on June 22, 2020. These phones support most of the main features of iOS 13, including dark mode. Along with the iPhone SE, the 6S and 6S Plus are the oldest iPhones to support iOS 13 and iOS 14.

== Reception ==
Nilay Patel of ''[[The Verge]]'' in 2015 described the 6S, in particular the Plus model, as "right now the best phone on the market. ... There just aren't other companies that can roll out a feature like 3D Touch and make it work in a way that suggests the creation of entirely new interface paradigms, and every other phone maker needs to figure out exactly why Apple's cameras are so consistent before they can really compete."<ref>{{cite web |first=Nilay |last=Patel |title=iPhone 6S review |url=https://www.theverge.com/2015/9/22/9368415/apple-iphone-6s-iphone-6s-plus-review |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=September 22, 2015 |access-date=April 4, 2017}}</ref> Samuel Gibbs of ''{{wipe|The Guardian}}'' commented that the phone "has the potential to be the best smaller smartphone on the market, but its short battery life is deeply frustrating" and described the camera as "not leagues ahead of the competition anymore".<ref>{{cite web |first=Samuel |last=Gibbs |title=iPhone 6S review: a very good phone ruined by rubbish battery life |url=https://www.theguardian.com/technology/2015/oct/06/apple-iphone-6s-review-camera-3d-touch-screen-faster-processor-fingerprint-sensor-rubbish-battery-life |website={{wipe|The Guardian}} |publisher=Guardian Media Group |date=October 6, 2015 |access-date=April 4, 2017}}</ref> Tom Salinger of ''The Register'' praised performance, noting that "we're now using phones with the performance of current PCs", but described 3D Touch as "just a glorified vibrator" and "no good ... you still don't know quite what's going to happen until you try it".<ref>{{cite web |first=Tom |last=Salinger |title=iPhone 6s and 6s Plus: Harder, faster and they'll give you a buzz |url=https://www.theregister.co.uk/2015/09/29/review_apple_6s_and_6s_plus |website=The Register |publisher=Situation Publishing |date=September 29, 2015 |access-date=April 4, 2017}}</ref> Ryan Smith and Joshua Ho of ''[[AnandTech]]'' awarded the iPhone 6S and 6S Plus its Editors' Choice Gold Award, based largely on the phone's performance and the addition of 3D Touch.<ref>{{cite web |first1=Ryan |last1=Smith |first2=Joshua |last2=Ho |title=The Apple iPhone 6s and iPhone 6s Plus Review |url=http://www.anandtech.com/show/9686/the-apple-iphone-6s-and-iphone-6s-plus-review |website=[[AnandTech]] |publisher=Purch Group |date=November 2, 2015 |access-date=April 4, 2017}}</ref>

=== Sales ===
On the Monday following the iPhone 6S's launch weekend, Apple announced that they had sold 13&nbsp;million models, a record-breaking number that exceeded the 10&nbsp;million launch sales of the iPhone 6 in 2014.<ref>{{cite web |first=Katie |last=Benner |title=Apple iPhone 6s Breaks First-Weekend Sales Record |url=https://www.nytimes.com/2015/09/29/technology/personaltech/apple-iphone-6s-breaks-first-weekend-sales-record.html |website={{wipe|The New York Times}} |date=September 28, 2015 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=Neil |last=Hughes |title=Apple sells blockbuster 13 million iPhone 6s, 6s Plus units in launch weekend |url=http://appleinsider.com/articles/15/09/28/apple-sells-blockbuster-13-million-iphone-6s-6s-plus-units-in-launch-weekend |website=AppleInsider |date=September 28, 2015 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=James |last=Vincent |title=Apple sells 13 million iPhones in opening weekend record |url=https://www.theverge.com/2015/9/28/9407767/apple-iphone-sales-6s-6s-plus |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=September 28, 2015 |access-date=April 4, 2017}}</ref> In the months following the launch, Apple saw its first-ever quarterly year-over-year decline in iPhone sales,<ref>{{cite web |first=Kwame |last=Opam |title=Apple's sales fall across iPhone, iPad, and Mac |url=https://www.theverge.com/2016/7/26/12290408/apple-q3-2016-earnings-device-sales-chart |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=July 26, 2016 |access-date=April 4, 2017}}</ref><ref>{{cite web |first=Vindu |last=Goel |title=IPhone Sales Drop, and Apple's 13-Year Surge Ebbs |url=https://www.nytimes.com/2016/04/27/technology/apple-q2-earnings-iphone.html |website={{wipe|The New York Times}} |date=April 26, 2016 |access-date=April 4, 2017}}</ref> attributed to a saturated smartphone market in Apple's biggest sales countries and consumers in developing countries not buying iPhones.<ref>{{cite web |first=Vindu |last=Goel |title=Apple's iPhone Sales Drop Again, but Services Are a Bright Spot |url=https://www.nytimes.com/2016/07/27/technology/apple-earnings-iphone-sales.html |website={{wipe|The New York Times}} |date=July 26, 2016 |access-date=April 4, 2017}}</ref>

== Hardware issues ==
=== Unexpected battery shutdowns ===
See also: [[Physics:Batterygate|Batterygate]]

In November 2016, Apple announced that a "very small number" of iPhone 6S devices manufactured between September and October 2015 have faulty batteries that unexpectedly shut down. While Apple noted that the battery problems were "not a safety issue", it announced a battery replacement program for affected devices. Customers with affected devices, which span "a limited serial number range", were able to check their device's serial number on Apple's website, and, if affected, receive a battery replacement free of charge at Apple Stores or authorized Apple Service Providers.<ref>{{cite web |title=iPhone 6s Program for Unexpected Shutdown Issues |url=https://www.apple.com/support/iphone6s-unexpectedshutdown/ |publisher=Apple |date=November 30, 2016 |access-date=December 7, 2016}}</ref><ref>{{cite web |first=Rich |last=McCormick |title=Apple offers free battery replacements for some iPhone 6S handsets that keep shutting down |url=https://www.theverge.com/2016/11/21/13696092/apple-battery-repair-iphone-6s-shutdown |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=November 21, 2016 |access-date=December 7, 2016}}</ref><ref>{{cite web |first=Arnold |last=Kim |title=Apple Launches Repair Program for iPhone 6s Devices Experiencing Unexpected Shutdowns |url=http://www.macrumors.com/2016/11/20/iphone-6s-shutdown-repair-program/ |website=MacRumors |date=November 20, 2016 |access-date=December 7, 2016}}</ref>

In December 2016, Apple revealed new details about the issue, stating that the affected devices contained a "battery component that was exposed to controlled ambient air longer than it should have been before being assembled into battery packs".<ref>{{cite web |first=James |last=Vincent |title=Apple blames exposure to 'ambient air' for iPhone 6S battery failures |url=https://www.theverge.com/2016/12/6/13853280/apple-iphone-6s-battery-problems-fix-explanation |website=[[The Verge]] |publisher=[[Company:Vox Media|Vox Media]] |date=December 6, 2016 |access-date=December 7, 2016}}</ref><ref>{{cite web |title=iPhone 6S battery issues may be more widespread than Apple initially thought |url=https://thenextweb.com/apple/2016/12/06/apple-iphone-6s-battery-issue-explained/ |publisher=The Next Web |date=December 6, 2016 |access-date=December 7, 2016}}</ref>

==Timeline of models==

==See also==
{{stack|}}
* [[Engineering:List of iOS devices|List of iOS devices]]
* History of iPhone
* [[Engineering:Comparison of smartphones|Comparison of smartphones]]

==References==
{{Reflist|30em}}

==External links==
* – official site

{{S-start}}
{{Succession box
| title = iPhone 6S/6S Plus/[[Engineering:IPhone SE (1st generation)|SE (1st gen)]]
| before = {{nowrap|[[Engineering:IPhone 6|iPhone 6/Plus]]}}
| after = {{nowrap|(iPhone 6S/Plus): [[Engineering:IPhone 7|iPhone 7/Plus]]<br>iPhone SE (1st):iPhone SE (2nd)}}
| years = 9th generation
}}
{{S-end}}

{{iOS}}
{{Apple Inc. hardware}}

[[Category:Discontinued smartphones]]

{{Sourceattribution|IPhone 6S|1}}