Download and install the latest version of Flashtool by Androxyde.
When the installation finishes, the log window will display messages stating: Flashing finished and Please unplug your device and start it . Final Device Initialization Safely disconnect the USB cable from the phone. sony g3311 lock remove ftf
If your Sony G3311 device is locked, you might not be able to perform certain actions, such as flashing custom firmware, unlocking the bootloader, or even using certain features. Removing the lock can give you more control over your device and allow you to customize it to your liking. Download and install the latest version of Flashtool
Click on the latest available build number in the right-hand column, then click to pull the firmware files straight from Sony. If your Sony G3311 device is locked, you
Go to the Flashtool installation folder ( C:\Flashtool\drivers ).
Leave the "Exclude" and "Misc" columns at their default settings.