*** YOU NEED TO REGISTER ON THE FORUM BEFORE YOU CAN ACCESS THE DOWNLOAD LINK ***
Once you have registered you will be able to download the firmware by clicking on the orange "DOWNLOAD NOW" button.
Once you open the link, you will need the decryption key to access the firmware - hit the 'spoiler' below to show the key.
!3PTqugPb-IHL8ZShri0Li0_01yRHMMGBa1IH3T3otFo
INSTALLATION INSTRUCTIONS
http://www.xperiablog.net/2016/03/12/install-xperia-marshmallow-using-flashtool-and-xperifirm-guide/
- Download the FTF firmware file
- Ensure all drivers are correctly installed on your computer as highlighted in Part 1 of the guide linked to above
- Follow Part 3 of the guide to flash the firmware to your Sony Xperia device
XPERIA FIRMWARE DETAILS
This is official stock Sony Xperia firmware.
Model: Sony Xperia E5 (F3311)
Firmware version: 37.0.A.2.248_R5A
Region: Global (Generic) [1302-1049]
Android version: 6.0

Xperia E5_F3311_37.0.A.2.248_Global_Generic 6.0
Sony Xperia E5 (F3311) Android 6.0 firmware - Generic Global