Note: If OEM Unlock is missing or grayed out, it is likely restricted by your carrier (e.g., U.S. carrier models).
Use the official Sony Unlock code or Flashtool's built-in BLU (Boot Loader Unlock) button.
Power off the device. Connect a USB cable to a PC, then press and hold both Volume Up and Volume Down buttons while plugging the other end into the phone. se bootloader unlocking relocking 167z verified
The Definitive Guide to SE Bootloader Unlocking, Relocking, and 167z Verification
While the process is verified, it is not without cost: Note: If OEM Unlock is missing or grayed
Security structures like Android Verified Boot (AVB) remain fully active. The 167z Security Signifier
Understanding Bootloader Modifications: Unlocking, Relocking, and the 167z Environment Power off the device
The device will run its first secure verification sequence, pass the stock cryptographic signature checks, and boot cleanly into the official operating setup wizard. Comparative State Matrix Feature / Metric Unlocked State ( Verified = False ) Relocked State ( Verified = True ) Vulnerable to physical partition modification Enforced hardware chain of trust active Data Integrity User-accessible partition storage paths Encrypted storage partitions active OTA System Updates Blocked or failed execution loops Fully functional official network updates Financial/App Safety Triggers integrity failure alerts Passes security app check parameters Troubleshooting Common 167z Faults Issue: Terminal hangs on < waiting for device >
Connect the smartphone directly to your computer using a high-quality USB data cable. Open a terminal or administrative command prompt window inside your platform-tools directory and type: adb devices Use code with caution.
Unlocking often wipes the TA (Trim Area) partition . This can permanently degrade camera quality (noise reduction) and disable proprietary display features like X-Reality or Bravia Engine.
For devices: ✅ Unlock – safe and community-approved. ⚠️ Relock – possible but only on full stock firmware; high risk if you’re unsure.