fastboot getvar unlocked If unlocked: yes appears, you have succeeded.
Check unlockability Dial *#*#7378423#*#* → Service Info → Configuration → Rooting Status. If Bootloader unlock allowed: Yes , proceed. docomo unlock bootloader install
adb reboot bootloader fastboot flashing unlock Use volume keys to confirm. Then: fastboot getvar unlocked If unlocked: yes appears, you
Unlike international unlocked models, most Docomo-branded phones arrive with a bootloader that is cryptographically sealed. This prevents users from installing custom recoveries (like TWRP), rooting the device, or flashing custom ROMs. But where there’s a will—and a bit of technical know-how—there’s a way. adb reboot bootloader fastboot flashing unlock Use volume
This method is advanced and can permanently hard-brick your Docomo device if the wrong bootloader stage is overwritten. Method C: Pixel Docomo Edition – The Easiest Path Google Pixel devices sold by Docomo (e.g., Pixel 6a, Pixel 7 Pro) are similar to unlocked models, but the bootloader unlock is temporarily disabled for the first 72 hours after SIM insertion . After that:
adb reboot bootloader fastboot oem unlock 0x[YOUR_UNLOCK_CODE] fastboot reboot This will break FeliCa wallet functionality on Docomo Xperias. Backup your mobile wallet data first. Method B: Community Exploit Method (Sharp, Fujitsu, some LG Docomo models) For unsupported models, you often rely on XDA Developers forum threads. No universal method exists , but here is a generic approach using mtkclient for MediaTek-based Docomo phones (e.g., Fujitsu arrows series with MTK chips):