Xperia Z3_D6603_23.4.A.1.264_Germany_Generic 5.1.1

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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 Z3 (D6603)
Firmware version: 23.4.A.1.264_R7C
Region: Germany (Generic) [1288-5031]
Android version: 5.1.1