: Once finished, disconnect and power on. The first boot may take 5–10 minutes. Xperia X Performance driver - Sony's Developer Portal

To download and use the FTF firmware to remove a lock on your Sony Xperia X Performance

: Install Flashtool and ensure you have at least 50% battery. Download Firmware : Use Xperifirm within Flashtool to find model and download the 31.1.C.1.160 (R16C) build.

: You can download the latest official firmware directly through Xperifirm , which is often bundled with Flashtool . How to Remove the Lock via Flashing

Flashing an FTF file essentially performs a factory reset, which erases all user data but removes screen locks (PIN, pattern, or password).

: You must have the Xperia X Performance Drivers installed on your PC for it to recognize the device in Flash Mode.

: In Flashtool, select the downloaded FTF. Ensure "Wipe" options (USERDATA and CACHE) are checked to effectively remove the lock.