Avoid generic “pattern unlock tool” downloads unless they are from a verified developer (e.g., SONY’s own Emma, or TestPoint tools).

This is not a “pattern unlock tool download” but a firmware reflash method. It is the only method that works when USB Debugging is off.

to enter Flash Mode and follow the on-screen connection instructions. Essential Unlock Steps 1. Preparation Ensure the phone is charged to at least 50%. Low battery can cause flashing failures. 2. Install Drivers Install Sony ADB and Fastboot drivers on your PC. Drivers may work best on older OS like Windows 7 or 10. 3. Connect Turn off the phone, hold Volume Down , and plug in the USB.