OnePlus rolling out OxygenOS & March security patches for OnePlus 9, 9 Pro

Soon after releasing the OnePlus 9 and 9 Pro, OnePlus is rolling out OxygenOS & March security patches for the two smartphones.

OnePlus is rolling out OxygenOS and March Android security patches for the OnePlus 9 and 9 Pro. The update fixed some issues, improved several features, and updated a couple of things.

If you remember, the two devices were launched on March 23. Soon after their release, the company sent OxygenOS update for the two handsets. However, it wasn’t enough as it had some issues are weaknesses. To fill this gap, the company brings OxygenOS to solve several bugs and improve features within just a few days.

OnePlus 9 and OnePlus 9 Pro OxygenOS Update

Let’s review what the company has fixed, improved, or updated:


  • Fixed an issue with ‘Last Full Charge’
  • Fixed an issue with a low battery status bar
  • Fixed an issue related to games
  • Fixed more known issues and improved system stability
  • Fixed an issue related to split-screen apps and Dark Mode


  • Improved the charging stability
  • Improved WhatsApp’s video calls
  • Improved the vibrating performance of games
  • Improved sharpness, noise, and white balance of the rear camera
  • Improved white balance performance of the front camera
  • Improved zoom performance
  • Improved camera stability


  • Updated Android security patch to 2021.03
  • Updated GMS package to 2021.02

As usual, the updates will reach in phases. The company also confirmed the updates for OnePlus 9 come as for the European markets, while​ for the North American market.

Similarly, the updates for the OnePlus 9 Pro will come as in Europe, and in North America.

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