While users have been advised to wait for some time to install the OTA update, if you’ve already upgraded your OnePlus 9 Series device to OxygenOS 12, you’ll want to rollback. You can downgrade your OnePlus 9, OnePlus 9 Pro, or OnePlus 9R from Android 12 to Android 11. In this article, you’ll get to know how you can do that without any issues.

OnePlus 9 (IN) OnePlus 9 (Europe) OnePlus 9 (NA)

OnePlus 9 Pro (IN) OnePlus 9 Pro (Europe) OnePlus 9 Pro (NA)

OnePlus 9R

LE25AA Global

2.5.5 – OnePlus9Oxygen_22.0.08_GLO_0080_2105011322 2.8.8 – OnePlus9Oxygen_22.0.11_GLO_0110_2107082125

LE25BA Europe

2.5.5 – OnePlus9Oxygen_22.E.08_GLO_0080_2105011322 2.8.8 – OnePlus9Oxygen_22.E.11_GLO_0110_2107082125

LE25DA India

2.5.5 – OnePlus9Oxygen_22.I.08_GLO_0080_2105011322 2.8.8 – OnePlus9Oxygen_22.I.11_GLO_0110_2107082125

LE15AA Global

2.5.5 – OnePlus9ProOxygen_22.0.08_GLO_0080_2105011322 2.8.8 – OnePlus9ProOxygen_22.0.11_GLO_0110_2107082125

LE15BA Europe

2.5.5 – OnePlus9ProOxygen_22.E.08_GLO_0080_2105011322 2.8.8 – OnePlus9ProOxygen_22.E.11_GLO_0110_2107082125

LE15DA India

2.5.5 – OnePlus9ProOxygen_22.I.08_GLO_0080_2105011322 2.8.8 – OnePlus9ProOxygen_22.I.11_GLO_0110_2107082125

Download the rollback application for your OnePlus device

The rollback application from OnePlus would greatly help you in downgrading from OxygenOS 12 to OxygenOS 11. This will come officially thanks to OnePlus developers and it is specially designed for devices running on Android 12.

OnePlus MyApplication 2 rollback package – APK Download

How to downgrade from Android 12 to Android 11 on your OnePlus 9 devices

Step 1: Backup your data

The first step would be to back up your data. OnePlus Switch or Clone Phone will help you with backup and restore contacts, photos, videos, short messages, documents, files, apps, and system data. Remember that app data will not be backed up.

Step 2: Flash the downgrade package

Step 3: Restore

Downgrade OnePlus 9 OnePlus 9 Pro and OnePlus 9R from Android 12 to Android 11 without losing data - 88