For technical repairs (like a "stuck logo"), you may need the full firmware package (flash file).
Use the volume buttons to navigate to and confirm with the Power button. 3. Emergency Dial Code Download Sony Xperia XZ3 (SOV39) Hard Reset File
The phone will confirm that all data will be cleared and then reboot. For technical repairs (like a "stuck logo"), you
The most reliable "file" to download is the official software. It features a "Software Repair" tool that performs a clean reinstallation of the phone's system, effectively performing a hard reset even if the device is locked. Download: Official Xperia Companion Tool Procedure: Install and launch the tool on your PC. Select Software repair from the main menu. Follow the prompts. When asked, power off your phone. Emergency Dial Code The phone will confirm that
The tool will download the necessary firmware files and wipe all data.
If the device is unlocked and you want to perform a master reset quickly: Open the dialer and enter: *#*#7378423#*#* . Navigate to > Reset customization .
If you can access the phone but want to wipe it completely without a PC: Power off the device.