This guide provides instructions for converting a T-Mobile OnePlus 8T+ 5G (kebab KB2007) to the EU firmware, unlocking the bootloader, and obtaining root access with Magisk on OxygenOS 14. Using this method, no unlock token is required.
Disclaimer: This process will void your warranty (lol) and completely wipe all data on your device. You are solely responsible for any damage, data loss, or bricked devices that may result from following this guide. Proceed at your own risk.
Important: It is highly recommended that you back up your personal data before starting. Additionally, consider backing up your
modem
andpersist
partitions in case of unforeseen issues.