Download the file from OnePlus’s official community server. Do not use a standard OTA ZIP.
A: No. Using the official OnePlus rollback package or MSM Tool returns the phone to stock software. It does not void the warranty. Unlocking the bootloader might, but the rollback does not require that. oneplus 9 pro downgrade android 11
If you are searching for you are likely fed up with the new software and want to return to the golden era of your device. The good news? It is possible. The bad news? It requires patience, a PC, and a complete wipe of your data. Download the file from OnePlus’s official community server
| Model | Android 11 Build | Download Link (Official OnePlus) | | :--- | :--- | :--- | | LE2125 (NA) | 11.2.10.10 | OnePlus Community Link (search for "NA Rollback") | | LE2123 (EU) | 11.2.10.10 | OnePlus Community Link | | LE2121 (IN) | 11.2.10.10 | OnePlus Community Link | Using the official OnePlus rollback package or MSM