Favnetsoft.Com - Download Stock ROM Sony XPERIA Z Ultra C6833 Android Kitkat 4.4.4 (14.4.A.0.108). But before you download and use this file, make sure you have read the rules in the Disclaimer Page.
WARNINGFirst of all one important thing - before you start to do anything with your phone, do the backup of your personal data. It is only for your safety in case that something goes wrong or any mistake happens. In that case you can use the backup to restore the data and try to do everything once again.
Download Sony XPERIA Z Ultra C6833 Stock ROM Android 4.4.4File Name: C6833_14.4.A.0.108_CE.ftf
Android Version: 4.4.4 (Kitkat)
Firmware Version: 14.4.A.0.108
File size: 963 MB