*** YOU NEED TO REGISTER ON THE FORUM BEFORE YOU CAN ACCESS THE DOWNLOAD LINK ***
INSTALLATION INSTRUCTIONS
http://www.xperiablog.net/2015/03/17/guide-to-installing-xperia-lollipop-using-xperifirm-and-flashtool/
- Open link above and skip to the section entitled “FlashTool steps”.
- As you have already downloaded the FTF firmware file, skip to the section where you need to “Flash device”.
XPERIA FIRMWARE DETAILS
This is official stock Sony Xperia firmware.
Model: Sony Xperia S (LT26i)
Firmware version: 6.2.B.1.96_R3H
Region: Central Europe 1 (Generic) [1257-5102]
Android version: 4.1.2

Xperia S_LT26i_6.2.B.1.96_Central Europe 1_Generic 4.1.2
Sony Xperia S (LT26i) Android 4.1.2 firmware - Generic Central Europe 1