Use the volume buttons to navigate to and confirm with the Power button. 3. Emergency Dial Code
For technical repairs (like a "stuck logo"), you may need the full firmware package (flash file). Download Sony Xperia XZ3 (SOV39) Hard Reset File
Press and hold the and Power buttons simultaneously until the Recovery menu appears. Use the volume buttons to navigate to and
If the device is unlocked and you want to perform a master reset quickly: Open the dialer and enter: *#*#7378423#*#* . Navigate to > Reset customization . Download Sony Xperia XZ3 (SOV39) Hard Reset File