The iPhone 6S and iPhone 6S Plus (stylized and marketed as iPhone 6s and iPhone 6s Plus) are smartphones that were designed, developed, and marketed by Apple Inc. It is the ninth generation of the iPhone. They were announced on September 9, 2015 at the Bill Graham Civic Auditorium in 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 iPhone 7 and iPhone 7 Plus on September 7, 2016 and were discontinued with the announcement of the iPhone XS, iPhone XS Max, and iPhone XR on September 12, 2018.
iPhone 6S in Rose Gold
|Slogan||"The only thing that’s changed is everything."|
"One powerful phone"
A1633 (North America)
A1634 (North America)
|Compatible networks||GSM, CDMA, 3G, EVDO, HSPA+, LTE/4G, LTE Advanced/4G+|
|First released||September 25, 2015|
|Availability by Region|
|Discontinued||September 7, 2016 (16 and 64 GB)|
September 12, 2018 (32 and 128 GB)
|Units sold||13 million in launch weekend|
|Predecessor||iPhone 6 / iPhone 6 Plus|
|Successor||iPhone 7 / iPhone 7 Plus|
6S Plus: Phablet
138.3 mm (5.44 in) H
67.1 mm (2.64 in) W
7.1 mm (0.28 in) D
158.2 mm (6.23 in) H
77.9 mm (3.07 in) W
7.3 mm (0.29 in) D
|Weight||6S: 143 g (5.0 oz)|
6S Plus: 192 g (6.8 oz)
|Operating system||Original: iOS 9.0|
Current: iOS 12.1, released October 30, 2018
|System on chip||Apple A9|
|CPU||1.85 GHz dual-core 64-bit ARMv8-A "Twister"|
|GPU||PowerVR GT7600 (hexa-core) |
|Memory||2 GB LPDDR4 RAM|
|Storage||16, 32, 64, or 128 GB TLC NAND connected via NVMe|
|Battery||6S: 3.82 V 6.55 W·h (1715 mA·h) Li-Po 150 min charge time for an average of 8 h 15 min use|
6S Plus: 3.8 V 10.45 W·h (2750 mA·h) Li-Po 165 min charge time for an average of 9 h 11 min use
|Display||6S: 4.7 in (120 mm) Retina HD, LED-backlit IPS LCD, 1334 × 750 pixel resolution (326 ppi) with Dual Ion Exchange strengthened glass and 3D Touch|
6S Plus: 5.5 in (140 mm) Retina HD, LED-backlit IPS LCD, 1920 × 1080 pixel resolution (401 ppi), 500 cd/m2 max. brightness (typical), with Dual Ion Exchange strengthened glass and 3D Touch
|Rear camera||Sony Exmor RS IMX315 12 MP (1.22 μm), true-tone flash, autofocus, IR filter, burst mode, f/2.2 aperture, 4K video recording at 30 fps or 1080p at 30 or 60 fps, slow-motion video (1080p at 120 fps and 720p at 240 fps), timelapse with stabilization, panorama (up to 63 megapixels), facial recognition, digital image stabilization, optical image stabilization (6S Plus only)|
|Front camera||5 MP, burst mode, f/2.2 aperture, exposure control, face detection, auto-HDR, 1080p HD video recording, Retina flash|
|Sound||Mono speaker, 3.5 mm stereo audio jack|
|Hearing aid compatibility||M3, T4|
|Website||iPhone 6s - Apple at the Wayback Machine (archived December 1, 2015)|
The iPhone 6S has a similar design to the iPhone 6 but includes updated hardware, including a strengthened chassis and upgraded system-on-chip, a 12-megapixel camera, improved fingerprint recognition sensor, 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 had a mostly 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 million models, up from 10 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.
Before the official unveiling, several aspects of the iPhone 6S were rumored, including the base model having 16 gigabytes of storage, the pressure-sensitive display technology known as 3D Touch, and a new rose gold color option.
iPhone 6S and iPhone 6S Plus were officially unveiled on September 9, 2015, during a press event at the Bill Graham Civic Auditorium in San Francisco. Pre-orders began September 12, with the official release on September 25.
The iPhone 6S is nearly identical in design to the 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, "key points" in the rear casing were strengthened, and touchscreen integrated circuits were re-located to the display assembly. Alongside the existing gold, silver, and space gray options, a new rose gold color option was also introduced.
|Space Gray||Black||Light Grey|
The iPhone 6S is powered by the Apple A9 system-on-chip, which the company stated is up to 70% faster than Apple A8, and has up to 90% better graphics performance. The iPhone 6S has 2 GB of RAM, more than any previous iPhone, and also supports LTE Advanced. The Touch ID sensor on the 6S was also updated, with the new version having improved fingerprint scanning performance over the previous version.
While the capacities of their batteries are slightly smaller, Apple rates the iPhone 6S and 6S Plus as having the same average battery life as their respective predecessors. The A9 system-on-chip was dual-sourced from TSMC and 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. 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 to prevent them from being shorted by accidental exposure to water.
Their displays are the same sizes as those of the iPhone 6, coming in 4.7-inch 750p and 5.5-inch 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 haptic feedback. Although similar, this is distinct from the Force Touch technology used on the 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. Due to the hardware needed to implement 3D Touch, the iPhone 6S is heavier than its predecessor.
The iPhone 6S features a 12-megapixel rear-facing camera, an upgrade from the 8-megapixel unit on previous models, as well as a 5-megapixel front-facing camera. It can record 4K video, as well as 1080p video at 60 and now 120 frames per second. The camera was well received by many critics of the phone . 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 able to hold 40 min of video.
The iPhone 6S and 6S Plus were originally offered in models with 16, 64, and 128 GB of internal storage. Following the release of iPhone 7 in September 2016, the 16 and 64 GB models were dropped and replaced by a new 32 GB option. For improved storage performance, iPhone 6S utilizes NVM Express (NVMe), resulting in a maximum average read speed of 1,840 megabytes per second.
The iPhone 6S originally shipped with 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, and accessing context menus with links to commonly used functions within apps with harder presses on home screen icons. 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.
The iPhone 6S supports iOS 12, which was first released on September 17, 2018.
Nilay Patel of The Verge 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." Samuel Gibbs of 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". 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". 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.
On the Monday following the iPhone 6S's launch weekend, Apple announced that they had sold 13 million models, a record-breaking number that exceeded the 10 million launch sales of the iPhone 6 in 2014. In the months following the launch, Apple saw its first-ever quarterly year-over-year decline in iPhone sales, attributed to a saturated smartphone market in Apple's biggest sales countries and consumers in developing countries not buying iPhones.
Unexpected battery shutdownsEdit
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.
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". The statement also said that customers "outside of the affected range" may also experience unexpected shutdowns, though clarifying that some shutdowns can occur under "normal conditions" because the iPhone tries to "protect its electronics". They provided a highly discounted battery replacement to customers for a year. Apple also said that an upcoming update to the iOS operating system would include additional diagnostic tools to help Apple find more information about different kinds of battery issues.
In February 2017, Apple released a statement to TechCrunch, saying that the iOS 10.2.1 update, released on January 23, had reduced the occurrence of battery shutdowns by "more than 80%" on iPhone 6S devices.
On December 28, 2017, Apple decreased the price of an out-of-warranty battery replacement for iPhone 6 or later from $79 to $29, and promised an iOS update that would provide more information about an iPhone's battery health which eventually turned out to be iOS 11.3.
Timeline of modelsEdit
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