Once the log shows "Flashing finished," disconnect your phone and power it on. The first boot may take several minutes.
Install the "Flashmode" and "Fastboot" drivers usually found in the drivers folder of the Flashtool installation directory. Download 02G 317 R12C Remove Lock ftf
Click the button in Flashtool. The software will prepare the files and then prompt you to connect your phone. Turn off your Sony Xperia device completely. Press and hold the Volume Down button. Once the log shows "Flashing finished," disconnect your
Download the 02G 317 R12C remove lock file from a trusted firmware repository or community forum. Click the button in Flashtool
Browse to the folder where you saved the FTF file.
Use a high-quality cable to prevent connection drops during flashing. 2. Loading the Firmware in Flashtool Open Flashtool on your computer. Click the Lightning Bolt icon and select Flashmode .