OS:Pre-Installed OS: iOS 9.0.1. Maximum OS: Current.
Usage Time:Standby Time – 250 hours. Up to 50 hours of audio playback, 14 hours of talk time on 3G, 10 hours of Internet use on 3G, 10 hours of Internet use on LTE, 11 hours of Internet use on Wi-Fi, 11 hours of HD video playback and up to 10 days of standby time.
Display:4.7-inch display with 1334 x 750 resolution at 326 ppi.
Connectivity:Built-in support for Wi-Fi. USB. Lightning and headphone ports.
Audio Support:AAC (8 to 320 Kbps), Protected AAC (from iTunes Store), HE-AAC, MP3 (8 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, 4, Audible Enhanced Audio, AAX, and AAX+), Apple Lossless, AIFF, and WAV.
Cameras: This model has a rear camera: Sony Exmor RS 12 MP; and a front camera: 5 MP.
Video Support:H.264 video up to 4K, 30 frames per second, High Profile level 4.2 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in .m4v, .mp4, and .mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in .avi file format.
Dimensions:5.44 in height, 2.64 in width, 0.28 in depth.
Average Weight:5.04 oz.
Battery:Lithium Ion battery. Non-removable Li-Po 1715 mAh battery (6.9 Wh).