Please Flash Unlock Token First Oneplus Better File

T-Mobile and some other carrier-branded OnePlus devices have an extra layer of security. The carrier demands that the device be SIM-unlocked (paid off or met contract requirements) before the bootloader can be officially unlocked.

on your OnePlus device, it usually means you are using a carrier-branded model (like T-Mobile) that requires an official unlock token before the bootloader can be unlocked. please flash unlock token first oneplus better

Ensure you have the latest Android SDK Platform-Tools installed on your computer. T-Mobile and some other carrier-branded OnePlus devices have

To resolve this and successfully unlock your bootloader, follow these essential steps: follow these essential steps: