iPhone 6S

iPhone 6S officially unveiled on September 9, 2015,

 during a press event at the Bill Graham Civic Auditorium in San Francisco.

 Pre-orders began September 12, 

 official release on September 25.

Review iPhone 6S

Battery :
Current: 1715 mA
Power: 6.55 Whr
Voltage: 3.82 V

Bluetooth: 4.2

Camera:

Front: 5 megapixels 

Rear: 12.2 megapixels / 4k-2160p30,

 1080p30, 1080p60 video /

 1080p120, 720p240 slow-motion video

Network: Up to LTE (4G)

Colors: Gold, Rose Gold, Silver, Space Gray

CPU
Core Design: Apple Twister x 2
CPU: S8000 and S8003 "A9"
CPU Speed: 1.85 GHz

Instruction Set: ARMv8

Firmware:
Initial firmware: 9.0 (13A342)
Latest publicly available firmware: 12.3.1 (16F203)
Latest firmware: 13.0 beta 2 (17A5508m)

Internal Name: iPhone8,1

RAM: 2 GB

ROM: 16/64/128 GB

Wi-Fi: 802.11a/b/g/n/ac with MIMO