The tool is known to be developed by a user named @dogganDOGO and is hosted on GitHub. The utility was reportedly created to fix several specific problems, including the ability to operate a device without root access and to apply certain updates without needing a reboot. According to the developer, the tool has seen significant usage, having been downloaded over 50,000 times.
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Your device has a newer security patch than the tool supports. Fix: Search for an updated version of the unlock tool. Downgrading your ROM (if allowed) can also help, but beware of anti-rollback. se bootloader unlocking relocking 167z verified
The device will wipe all data and reboot. The bootloader status will now show:
: An unlocked bootloader allows unverified firmware to access sensitive data, bypassing standard Android security layers. Integrity Failures The tool is known to be developed by
Power off your phone. While holding the Volume Up button, connect the phone to your PC via USB. The LED should turn blue , indicating it is in Fastboot mode.
After carefully following the instructions and preparing their device, Alex successfully unlocked the bootloader using the unofficial method. The process was not without risks, and Alex had to be cautious not to make any mistakes during the process. This public link is valid for 7 days
Use the official Sony Unlock code or Flashtool's built-in BLU (Boot Loader Unlock) button.
Here’s what that means for the unlocking and relocking process: