The status "Bootloader unlock allowed: No" is most common on Sony Xperia
security app in settings immediately changed the status to "Yes" in the service menu. Remove Accounts:
- Nothing Phone (1 & 2) – Official unlock tool.
- Fairphone 4 & 5 – Unlock code via their website.
- Google Pixel (non-Verizon) –
fastboot flashing unlockalways works. - Xiaomi (Poco/Redmi) – After 7-day wait.
How to Change "Bootloader Unlock Allowed: No" to "Yes": The Ultimate Guide
Introduction: The Android User’s Nightmare
You’ve just unboxed a new (or used) Android smartphone. You have grand plans: install a custom ROM, gain root access for advanced automation, or flash a custom kernel. You navigate to the Developer Options, enable OEM Unlocking, and reboot into the bootloader.