买了一部苹果4S 型号：MD235CH⼀A 序列号：C7GJJ13FDTC0 请帮忙查一下版本，谢谢

iPhone 4S 16 GB (black)

Model: A1387
Factory: C7G
Year: 2012
Week: 41 (08.10 - 14.10)
Age: 1 month
Color: black
Sizes: height: 115,2 mm; width: 58,6 mm; depth: 9,3 mm
Weight: 140 gr
Technical Specifications Internal memory: 16 GB
CPU: Apple A5
CPU Speed: 1 GHz
RAM: 512 MB
Resolution: 960x640px (326 ppi)
Cellular: UMTS/HSDPA/HSUPA (850, 900, 1900, 2100 MHz); GSM/EDGE (850, 900, 1800, 1900 MHz); CDMA EV-DO Rev. A (800, 1900 MHz)
WiFi: (802.11b/g/n) (802.11n только 2.4GHz)
Bluetooth: 4.0

今年第41周官方翻新
16G黑色国行机

该机为返修机