*** 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
Model: Sony Xperia L (C2105)
Firmware version: 15.3.A.1.17_R2B
Region: Germany (Generic) [1272-2171]
Android version: 4.2.2

Xperia L_C2105_15.3.A.1.17_Germany_Generic 4.2.2
Sony Xperia L (C2105) Android 4.2.2 firmware - Generic Germany