Updating my Sony Xperia Z1 C6903 from Kitkat to Lollipop
After doing My Solution to System UID Inconsistency and Mount Script Error which was a factory reset, the bluetooth on my Sony Xperia Z1 stopped working — when I try to turn it on, the switch just stays light blue then stays off. Prior to that, my phone never could update from Kitkat version 4.4.4 to Lollipop version 5, probably...