- Installed the Flashtool application with integrated XperiaFirm.
- Afterwards, open the Flashtool and click on a Lightning icon.
- When the Bootmode chooser pops up select Flash Mode and confirms by pressing OK.
- The following window should appear on the screen. If everything is correct click on Flash button.
- The most of the device, you should do it with your phone disconnected from the PC and switch off.
- Then hold down the Volume Down key and connect your phone to PC by using micro USB cable.
- Wait to complete the whole operation.
- When the Flash operation is finished, you can hold down the Power key to activate your phone.
