New answers tagged sony-xperia-arc
If your phone's OS still stay in Android 2.3, Flashtool is your best choice, you can google it, and some tutorials you can find in XDA forum.
Easiest way is unlock the bootloader and install a CWM or TWRP added kernel. Bootloader unlock wipe user data. Also rooting, unlocking bootloader voids the warranty. First unlock the bootloader tutorial. :- http://www.androidgadgematic.com/2012/11/how-to-unlock-any-sony-xperia-bootloader-easily.html . Download and copy SuperSU zip file into your SD card. ...
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