If you cannot access a computer or the correct FTF file, you can attempt a manual factory reset using the hardware buttons. Power off the device.
The tool will automatically download the correct firmware and wipe the device lock.
Click the in the top-left corner of the interface. Select Flashmode from the prompt and click OK . A firmware selector window will appear. Pick
If you prefer a guided method or need to repair the software: h4311 lock remove ftf
Launch (use the 64-bit version if running a 64-bit PC architecture).
While simple hardware key combinations (Volume Down + Power) can boot the device into recovery mode to execute a data wipe, modern Android security protocols often block you at the setup wizard if you don't know the previously synced Google credentials. Flashing a clean, stock .ftf bundle completely overwrites the system, userdata, and cache layers, effectively purging corrupted lock data or bricked states that a standard recovery reset fails to fix. Prerequisites and Requirements
If you flash the device to remove a screen lock but the phone was already associated with a Google Account, it will ask for that account after rebooting. This is . If you cannot access a computer or the
: Ensure your PC recognizes the device in "Flash Mode."
Download the file for the H4311 model using XperiFirm . Prepare the FTF :
Field-stripping the H4311 lock involves disassembling it to access the internal components. Follow these steps carefully: Click the in the top-left corner of the interface
Simple, requires no computer or special software. Cons: Complete data loss; may still trigger Google FRP lock.
: If a Google account was signed in, you will be prompted for those credentials after the reset (Factory Reset Protection). Flashing standard firmware often does not bypass FRP.