While modern Sony devices and updated versions of Flashtool have moved toward more complex protocols, is often remembered for its relatively simple interface. You just had to install the drivers (found in the drivers folder of the installation directory), put the phone into Flash Mode (usually by holding Volume Down while plugging it in), and let the software work its magic. A Word of Caution
: Go to Settings > About Phone and tap "Build Number" seven times to unlock Developer Options, then toggle USB Debugging on. 3. The Flashing Process flashtool-0.9.13.0
: If you own a pre-2016 Xperia, 0.9.13.0 is irreplaceable . For Xperia XZ2 or newer, use the latest Flashtool. While modern Sony devices and updated versions of
If you are working with an Xperia device from 2015 or later, version 0.9.13.0 will likely fail or cause a soft-brick. You should check the official Flashtool.net site for the most recent compatible version for your specific model. If you are working with an Xperia device