Tuesday, September 15, 2015

iPhone 6s and iPhone 6s plus dazzle but missing some bling options

All in all Apple announced their refresh of the iPhone 6 lineup, the iPhone 6s and iPhone 6s Plus. For those that are unfamiliar with Apple’s “s” refreshes, these are years in which the iPhone doesn’t receive a visual design update but a number of internal aspects are significantly revised and updated. In the case of the iPhone 6s, this includes changes to display, SoC, new cameras, wireless connectivity, TouchID, and front-facing flash. I’ve summarized these changes in the table below.
  • 12.1 MP Camera
  • 4.7 and 5.5 inch screen
  • Touch id
  • Force Touch technology
  • Dynamic Wallpaper
  • Live Photos
While the display glass is still glass, Apple is claiming the strength of this cover glass is greatly improved from the iPhone 6. The aluminum of the back cover has also been strengthened, with the iPhone 6s using a custom 700 series aluminum alloy to improve strength.

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3D Touch to the front and in your face

On the display side of things Apple has added a precise force sensing layer to the display module which allows for a whole range of new interactions with the smartphone. This force sensing technology is called 3D Touch by Apple, to differentiate from Force Touch on Apple Watch which is basically just a single force sensor to allow for a single force gesture within a context. The addition of a taptic engine helps to enable strong and useful haptic feedback when using 3D Touch gestures. While not part of the display, TouchID has also improved to enable much faster unlock speed.

4K video recording support with 12.1MP Camera

The new camera is also part of the major announcement this time around as the iPhone 6s now has a higher resolution to support 4K video recording. This new camera is 12MP, with 1.22 micron pixel size which means that sensor size is effectively identical to the iPhone 6 and 5s at 1/3”. Technologies like deep trench isolation and modified color filter array are said to help with low light performance. Deep trench isolation has been seen before in camera sensors like the One M7 ST-Micro Cinesensor/Ultrapixel sensor, and Samsung’s ISOCELL sensors, which is likely needed in order to drive these smaller pixel sizes.
The camera will also have Live Photos, which captures a photo that is a short moment in time with sound, which could also be said to be a video. If this sounds a lot like HTC’s Zoe feature, it’s probably because it definitely shares some similarities in that regard. However, as far as I can tell unlike HTC’s implementation Live Photos is mostly seamless and only shows animation when you do a force touch or if you’re swiping from one photo to another in the gallery.

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Better Wireless Mobile Connectivity to the front

On the wireless side, the iPhone 6s brings LTE-A with speeds of up to 300 Mbps. The modem design win wasn’t disclosed, but it’s probable that Qualcomm’s Gobi modems are in at least some iPhone 6s variants. Apple did disclose that the iPhone 6s can support up to 23 LTE bands, which makes the iPhone 6s one of the closest phones to single global SKU on the market today.
WiFi is also improved with two spatial streams for up to 866 Mbps on 5 GHz 802.11ac. The two antennas are likely to be integrated into the top and bottom metal sections of the phone, which likely means that peak WiFi performance will have to be achieved by not touching either section. Of course, this isn’t going to be another antennagate though because it’s likely that all RF that relies on the lower antenna to work will also have an antenna tuner to reduce detuning effects.

The only really disappointing part is the lack of the new wireless charging medium available on the new Samsung Galaxy 6 Edge Plus.
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