*** 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 Ericsson Xperia PLAY (R800x)
Firmware version: 4.0.2.E.0.57_R32D
Region: US (Verizon) [1245-4101]
Android version: 2.3.4

Xperia PLAY_R800x_4.0.2.E.0.57_US_Verizon 2.3.4
Sony Ericsson Xperia PLAY (R800x) Android 2.3.4 firmware - Verizon US