this is suppose to working on xperia z, but i try this and its works, now my xperia v is root on locked bootloader and a method is simple..:good:
thanks to DooMLoRD
well, i think u can just try flash JB tft using flashtool, and try untick wipe option..gud luck..
Pls my phone nfc stopped working,, so I think if I goto stock might help me,
I have tried repair through sony pc companion, it won't repair, my phone is rooted
Sent from my LT30p using xda app-developers app
Just download JB firmware and flas...
I also can comfirm that this work..even after lock screen..but its takes a second to apply after unlocked..thanks..
Sent from my LT25i using Tapatalk 2
U can try flash stock xperia z firmware using flashtool..just find the forum for the ftf..