In Settings > System > Developer Options , toggle on OEM Unlocking and USB Debugging . Get your Unlock Code: Connect your phone to a PC with ADB installed. Open a terminal and type: adb reboot bootloader . Once in fastboot mode, type: fastboot oem get_unlock_code .
Modding a OnePlus smartphone used to be a straightforward process. However, newer security protocols introduce specific hurdles when users attempt to flash custom recovery images, root their devices, or install custom ROMs.
The fundamental cause of this error is a mismatch between the device’s security state and the commands being executed. 1. Locked Bootloader
Once flashed, you can finally run the standard unlock command: fastboot oem unlock Unlocking the bootloader will factory reset please flash unlock token first oneplus better
Once the token is flashed, you must still execute the unlock command to wipe the data: fastboot oem unlock (Or simply follow the on-screen prompts on your phone to unlock).
This error completely halts the flashing process. It means your device cannot accept custom commands because it lacks the cryptographic authorization required by the bootloader.
Note: If the OEM Unlocking toggle is grayed out, ensure your device is connected to the internet. If you are using a carrier-branded device (like T-Mobile), the toggle will remain permanently grayed out until your phone is fully paid off and network-unlocked by the carrier. Step 2: Set Up ADB and Fastboot on Your PC In Settings > System > Developer Options ,
Or use hardware keys: Power off, then press and hold Power + Volume Down.
fastboot flashing unlock
: Unlocking the bootloader will factory reset your device, erasing all data. 2. Get Your Unlock Code Once in fastboot mode, type: fastboot oem get_unlock_code
Go to Settings > About Device > Version and tap Build Number seven times.
| Issue | “Please flash unlock token first” on OnePlus | |-------|------------------------------------------------| | Cause | Carrier or region lock requiring official token before unlocking bootloader | | Standard fix | Get token from OnePlus → flash it → unlock | | “Better” fix (community) | Use MSM Tool to flash global firmware, bypass token requirement | | Risk | Data loss, warranty void (if still valid), DRM issues |
To protect user data and prevent unauthorized software modifications, OnePlus utilizes a secure bootloader. By default, the bootloader is locked, meaning the device will only execute software cryptographically signed by OnePlus.
Unlock wisely, and enjoy the open Android experience you deserve.