Thursday, 1 October 2015

Problem upgrading to 5.1.1



Has anybody else had problems upgrading to version 5.1.1? I'm using stock Australia Telstra 5.02. Yesterday I received OTA notice of the 5.1.1 upgrade and chose to install. The update failed and phone was stuck in flash mode with a notice saying update failed, connect to PC..

I tried restoring firmware via PC Companion, which failed as it couldn't download the firmware for some reason. Instead I flashed back the 5.02 firmware with Sony Flashtool, which worked ok.

I then tried to install the generic Australia 5.11 using Flashtool. This resulted in the same error as the OTA update, forcing me to once again revert back to flashing 5.02.

Hence, as 2 different 5.11 firmwares failed I wonder if there is something else going on than just a coincidental fail. Does anyone have any idea why this keeps happening or any way to troubleshoot?



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