Using ADB/Fastboot tools on your PC, run: fastboot oem unlock 0xYOUR_CODE . Phase 2: Installing Custom Recovery (TWRP) To flash custom ROMs, you need a custom recovery like TWRP . How to flash your device - Sony's Developer Portal
Using ADB/Fastboot tools on your PC, run: fastboot oem unlock 0xYOUR_CODE . Phase 2: Installing Custom Recovery (TWRP) To flash custom ROMs, you need a custom recovery like TWRP . How to flash your device - Sony's Developer Portal