9.13.0 installer or the for a specific Xperia model?

Ensure the FTF file is not corrupted and that you are using a high-quality USB cable connected directly to the motherboard (avoid USB hubs). Version Compatibility:

both the Flashtool installer and your specific .FTF firmware file to rule out corruption.

: Windows replaced GordonGate with MTP driver. Fix : Go to Device Manager → find “Sony ADB Interface” or “SEMC Flash Device” → Update Driver → Browse → Let me pick → Select “Sony Ericsson Mobile Communications” → choose “GordonGate Flash Driver”.

: Includes features to backup your device's unique TA partition, which is critical for preserving DRM keys before unlocking your bootloader. Universal Compatibility

: Effortlessly flash stock ROMs to upgrade, downgrade, or unbrick Xperia devices. Rooting Capabilities