Move the downloaded .ftf file to the firmwares folder where Flashtool is installed. :
Sony Xperia L2 H4311 Password and FRP Remove h4311 lock remove ftf
3.2. : Use a spring removal tool to extract the springs from the lock. Move the downloaded
: Even after a hard reset, you may still be asked to verify the Google account previously synced to the device (FRP). h4311 lock remove ftf