1. Run the Flashing Script​

Run the Regional_Flasher.bat file
Script will flash a few images and then reboot to fastbootd
Wait for your phone to boot into fastbootd. When it does, select English on your phone to proceed with the flashing script.
Script will flash the remaining images


2. Do you want to wipe?​

You will be asked if you want to Wipe Data
if Yes, You will be told to wipe data manually, do this in fastbootd. after wipe it will boot into OxygenOS
if NO, The phone will reboot into OxygenOS