167z Verified !full! | Se Bootloader Unlocking Relocking

To relock safely, you cannot simply use fastboot oem lock . Doing so often results in a "Bootloader Unlock Allowed: No" scenario or a hard brick if the firmware version mismatches.

file through the tool, users could return the device to a "locked" state, which was often necessary to use official Sony Xperia Companion software for repairs or updates. Verified Status and Modern Devices

Relocking ( fastboot flashing lock ) used to be trivial. However, on “167z verified” units, relocking triggers a full dm-verity check. If the system partition was ever modified—even if returned to stock—the relock process will mark the device as STATE = LOCKED, VERIFIED = FAIL . The bootloader will display a corrupt screen on every boot.

This article explains how to unlock and relock the bootloader on the SE 167Z device, what the risks are, and a verified, step-by-step procedure for doing both operations safely. Follow precisely; mistakes can permanently brick your device or void warranties. se bootloader unlocking relocking 167z verified

SE 167Z (Stock firmware version 3.2.1 and above) Status: ✅ Confirmed working

Be aware that unlocking your bootloader will often blow an e-fuse (the "Knox Warranty Void" status), which can be irreversible and affect the functionality of some Samsung services.

Relocking is typically done to return a device to its original secure state for software updates or warranty. How to Relock Bootloader on any Android Device To relock safely, you cannot simply use fastboot oem lock

Unlocking the bootloader removes these manufacturer restrictions. This allows you to:

version. In the context of Sony devices, "167" often appeared in logs for older Xperia models (e.g., Xperia S, Z series) during the test-point unlocking era.

The device will show a warning screen. Use volume keys to select and press power. Verified Status and Modern Devices Relocking ( fastboot

On "167z Verified," the warning lasts 5 seconds. Some users flash a custom logo.bin, but this may break verified boot.

Here is a blog post tailored to that technical niche, explaining the process, the "167" status, and the verified relocking method.