Now for the main event: using Sony Flashtool 0.9.18.6 to flash a firmware.
Run the installer as Administrator. Accept the default installation path (C:\Flashtool) to avoid path issues. Install all components, including the bundled drivers. Sony Flashtool 0.9.18.6
The installer includes a full set of Gordon’s Gate drivers, Xperia Z drivers, and fastboot drivers. Later versions sometimes rely on Windows Update or manual driver hunting. Now for the main event: using Sony Flashtool 0