today i try go flash to ka15 xperia s speed
but the nfc problem still occur
so i flash back to ka13.1 xperia s speed
afterthat i find that my computer can't detect my xperia s
no matter in the recovery mode
and also find that i lost the root authory
I just unlocked bootloader and flash ICS kernel to Advanced Stock ICS Kernel
When I tried to flash KA10 Xperia SSpeed in the recovery mode, it said installation aborted
My Xperia S is already 4.0.4
Can anyone tell me how to solve this