Convert T-Mobile OnePlus 9 to Global:
OnePlus Release OnePlus 9 on different location with different carrier and T-Mobile OnePlus 9 one of them which is a locked device, so here we share a complete guide to convert This device into a Global OnePlus 9.
Note:
- make a backup before process
- to bypass SafetyNet use Latest magisk
- flash at own risk, we are not responsible for any damage
Steps:
- unlock bootloader & SIM by following this guide
- Download Latest unlock package Global 11.2.2.2
with in your computer & extract it - reboot phone to bootloader (power + volume down key)
- Open unlock package folder and run flash_all.bat or flash_all.sh
- once flashing done Reboot into recovery and wipe everything
- reboot & setup your device, use Oxygen Updater to update your phone to the latest version. Oxygen Updater will provide steps on how to use the full OTA zip
- After you’ve updated using Oxygen Updater, go into Settings -> System -> System Updates and check for new updates, as Oxygen Updater usually takes a few days to have the absolute latest OTA available. If there is another update available, go ahead and let the System Updater do its thing.
- make a reboot
- then reboot back to bootloader
- flash T-mobile Modem by using below code
fastboot flash modem NON-HLOS.bin- done
Source: XDA