Unlocking the bootloader on NTT Docomo devices is frequently blocked, as the carrier often requests that manufacturers permanently disable this feature. While SIM unlocking is officially supported, bypassing the bootloader lock requires checking specific eligibility for Xperia or Galaxy models and often necessitates specialized exploits. For more details on the official Sony process, visit Sony Developer World Sailfish OS Forum How to unlock bootloader | Developer World
Visit Sony’s official unlock website , enter your IMEI, and receive an unlock code. Then run: docomo unlock bootloader install
After the phone boots and you complete the initial setup, re-enable . Unlocking the bootloader on NTT Docomo devices is
Type the following command to ensure your PC recognizes the device: adb devices Use code with caution. Copied to clipboard Then run: After the phone boots and you
Copy ROM zip to phone storage or use ADB Sideload: