If you're experiencing issues with your Sony Xperia E5 F3311's lock screen, a lock remove file can help you regain access to your device. Here are some scenarios where you might need a lock remove file:

: In Flashtool, select your firmware and ensure userdata and cust-reset are checked in the Wipe section before clicking Flash .

When the Sony logo appears, release the button but continue holding Volume Down until the recovery menu appears.