Download the appropriate .ftf firmware file for your specific Sony Xperia model.
Easily flash official stock ROMs to upgrade or downgrade your device's Android version. flashtool-0.9.11.0-windows.exe
Select and Fastboot Drivers , as well as the specific drivers for your older Xperia model (e.g., Xperia Arc, Xperia Z). Download the appropriate
While holding the button, plug the USB cable into your computer. Xperia Z). While holding the button
Open your File Explorer and navigate to C:\Flashtool\drivers . Double-click the file.