: This method performs a factory reset. All photos, contacts, and messages will be deleted.
: The specific firmware file for the SOV33 model. You can often download this directly within Flashtool using the integrated XperiFirm downloader.
Connect the phone to your PC via USB while holding the button.
If you only need to remove a screen pattern/PIN and do not want to use a PC, you can try a hard reset via recovery mode: Power off the device.
To remove a screen lock (PIN, Pattern, or Password) on the Sony Xperia X Performance (SOV33)