To flash your device, you need the firmware file. You can use a built-in tool called (often bundled with Flashtool or available separately) to download the exact official firmware tailored to your phone's model number and region. Once downloaded, ensure the file format is .ftf and move it to the C:\Flashtool\firmwares directory. Step 3: Configure the Flashing Process
Built-in scripts to root specific older firmware versions with a single click. Sony Flashtool 0.9.18.6