There is no single official "Sony Xperia FRP Unlock Tool," but several third-party software options and manual methods are reviewed by the tech community for bypassing Factory Reset Protection (FRP) on Xperia devices. Top-Rated Third-Party Tools
ADB Sideload & Combination Files: For newer models, technicians often flash a "Combination" or "Engineering" firmware. This temporary software bypasses the retail security checks, allowing the technician to enable OEM Unlocking or remove the Google account manually, before flashing the original stock firmware back.
If you don't have access to a computer, several manual exploits can sometimes bypass the FRP screen. These methods vary by Android version and security patch. The "Emergency Call & Map" Method (Android 13/14)