fastboot flashing lock コマンドや fastboot oem lock コマンドで再ロックは可能です。ただし、再ロックする前に 完全に純正のファームウェアに戻していること が前提です。もしそうでなければ、「保証はないけど起動もしない」という最悪の状態になります。またロック後にカメラが復活するかは元の状態によります。
Open a command prompt/terminal within the platform-tools folder. Reboot to Bootloader: Type adb reboot bootloader .
Japanese broadcast and streaming standards (like 1Seg/Seg and local streaming services) rely heavily on strict hardware-level DRM. The Top Docomo Devices Ranked by Unlockability
Some older models require opening the physical back cover of the phone and shorting a specific "testpoint" wire to the ground shield while plugging in the USB cable. This forces the chipset into Emergency Download Mode (EDL) or Flashmode, bypassing the bootloader checks. docomo unlock bootloader top
: docomo maintains strict control over their software to ensure the stability of proprietary services like Osaifu-Keitai (mobile payments) and 1seg/Full-seg TV. Security & DRM
Unlocking your bootloader removes verified boot protections, making the device more vulnerable to unauthorized software.
: You are in luck. You can proceed with standard manufacturer-provided unlock codes. The Top Docomo Devices Ranked by Unlockability Some
Why Docomo-branded phones are different
Snapdragon-powered Docomo Galaxy variants do not support traditional bootloader unlocking. Standard Odin flashing is restricted to official Docomo firmware.
NTT Docomo typically hard-locks the bootloader on Sony Xperia devices at the carrier level, often making official unlocking impossible. While older models might support specialized exploits, unlocking generally requires paid third-party services, and flashing firmware without unlocking is often the only alternative. Read a detailed forum discussion on this topic at Sailfish OS Forum . Security & DRM Unlocking your bootloader removes verified
A bootloader is the code that runs when an Android device powers on, guiding the operating system kernel to start. A locked bootloader only runs code signed by the original manufacturer (OEM) or the carrier.
興味深いことに、かつて富士通 / FCNTが製造し、現在はMotorolaと共通の基盤を採用する一部のarrowsシリーズは、比較的簡単にブートローダーアンロックができる場合があります。