This message typically appears when you are trying to flash a custom ROM, kernel, or system image onto a OnePlus device via Fastboot, but the bootloader is still locked or requires a specific security handshake.
The error message "Please flash unlock token first" typically occurs on carrier-locked OnePlus devices (particularly T-Mobile variants) when attempting to unlock the bootloader without the required proprietary binary file. Unlike global models, these variants require a specific "unlock token" from OnePlus before the standard unlock commands will work. Why You're Seeing This Error please flash unlock token first oneplus better
Here’s a concise write-up explaining why you need to flash the unlock token first on a OnePlus device before unlocking the bootloader — and why doing so gives OnePlus a better, safer unlocking experience compared to other brands. This message typically appears when you are trying
Reboot to fastboot and run:
To resolve this and successfully unlock your bootloader, follow these essential steps: Why You're Seeing This Error Here’s a concise