: Choose the downloaded 502SO 340 R13C file. In the "Wipe" pane, ensure USERDATA is checked to successfully remove the screen lock. Connect Device : Power off the phone.
: An FTF (Flash Tool Format) file is a stock firmware package used with the Sony Flashtool to reinstall the operating system, which can bypass forgotten patterns or PINs. Download and Preparation To obtain the correct firmware and tools: Download 502SO 340 R13C Remove Lock ftf
Hold the button while connecting it to the PC via USB. The LED should turn green (Flashmode). : Choose the downloaded 502SO 340 R13C file
: Ensure the Xperia X Performance drivers are installed on your PC to ensure the device is recognized in flash mode. Removal of Screen Lock (Procedure) Flashing firmware will erase all user data . : An FTF (Flash Tool Format) file is
If you prefer not to use third-party flash tools, you can use official software: Xperia X Performance driver | Developer World
: Open the application and click the "Lightning" icon, selecting "Flashmode."