OnePlus 9, 9 Pro receive OxygenOS 11.2.5.5 with camera improvements and May security patch
May 13, 2021
OnePlus continues to improve the OnePlus 9 and 9 Pro as it has released the OxygenOS 11.2.5.5 update for both smartphones.
The new firmware bumps up the Android security patch level on the OnePlus 9 duo to May 2021 and improves the HDR effect and white balance performance on the pair’s cameras.
Additionally, the new update improves the charging performance while also squashing known bugs.