Oneplus 9 5G | Oneplus 9 Pro IMEI Repair Android All Version.
► ► Prerequisite :
Download the latest ROM upgrade zip package.
Copy the Rollback package to the phone storage.
Install this Local update system apk, You’ll need it to rollback. Then, open the app – tap the top right gear icon – find the downgrade package and tap it – wait to finish the installation – tap reboot
After the upgrade is complete, click Restart.
Update successful.
► ► NOTE:
To Downgrade to Oxygen OS 11 make sure your device is charged more than 50% and also take a backup of your data if you want you can also watch this video to get a better idea of how to downgrade Oneplus 9 Series to Stable Oxygen OS 11.
► ► Useful Links ◄ ◄
►► Engineermode APK
https://www.apkmirror.com/apk/onepl...-0-171117173719-25c8842-android-apk-download/
► Download Rollback packages
► Oneplus Local update application
https://oxygenos.oneplus.net/OPLocalUpdate_For_Android12.apk
► Download links for OnePlus 9 rollback packages:
OnePlus 9 (India)
https://oxygenos.oneplus.net/OnePlu...all_2107082123_downgrade_65e1b0f1895c422d.zip
OnePlus 9 5G (Global)
https://oxygenos.oneplus.net/OnePlu...all_2107082125_downgrade_059624cc7298428b.zip
OnePlus 9 5G (Europe)
https://oxygenos.oneplus.net/OnePlu...all_2107082125_downgrade_09b1a0a810824761.zip
► Download links for OnePlus 9 Pro rollback packages:
OnePlus 9 Pro (IN)
https://oxygenos.oneplus.net/OnePlu...110_all_2107082121_downgrade_66a1f653e8ee4eb5
OnePlus 9 Pro (NA)
https://oxygenos.oneplus.net/OnePlu...all_2107082120_downgrade_2e0c2b9ecc3c4102.zip
OnePlus 9 Pro (Europe)
https://oxygenos.oneplus.net/OnePlu...all_2107082125_downgrade_2a8892dd474c4472.zip
