Weight � 138g
Display � 4.3 inches
Display � 4.3 inches
Resolution - 720 x 1280 px (~342ppi)
CPU � 2.2 GHz Quadcore
Chip � Qualcomm MSM8974AA
RAM � 2GB
RAM � 2GB
Internal Memory � 16GB
MicroSD - Up to 32GB
Micro SIM
GSM-HSDPA-LTE
Bluetooth � Version 4.0
WiFi - 802.11a - 802.11b - 802.11g - WiFi Hotspot - WiFi Direct
Primary Camera � 20.7 MP with LED Flash
Secondary Camera � 2.2 MP
Battery - 2300mAh
Learn how to unbrick/flash or upgrade this device using flashtool from here
Note
Follow the instructions on how to flash the device carefully from the link above
I will not take responsibility on whatever may happen to your device.
Make sure you are downloading the exact ROM of the device you want to flash because
Flashing a wrong rom will make the device completely dead
(can't power on, can't charge and will not be detected by a computer)
SONY XPERIA J1 COMPACT STOCK ROM/FIRMWARE
Android 4.4.2 KitKat
D5708_14.4.C.0.114_JP
Get other sony xperia roms from here