While the official method is recommended, some third-party software is used for specific scenarios, such as network unlocking or devices where the bootloader status is "No". Unlock bootloader | Developer World
Sony provides an official web-based service for generating unlock codes. There is no standalone "one-click" .exe tool from Sony; instead, the process uses standard developer tools. sony unlock tool download
Power off your device. Hold the Volume Up button while connecting it to your PC via USB to enter Fastboot mode (the LED should turn blue). Open a command prompt and type: fastboot oem unlock 0xYOUR_UNLOCK_CODE . 2. Alternative Tools (Third-Party) While the official method is recommended, some third-party