[Update: Resume] OxygenOS 12 major update suspended for the OnePlus 9 and 9 Pro

December 17, 2021

After the suspended OxygenOS 12 update now the company has begun rolling out OxygenOS 12 based on Android 12 on the build number C.39. You can check the complete changelog which is mentioned below.


  • System
    • Improved the smoothness of fingerprint unlocking
    • Optimized the system power consumption to extend the battery life
    • Fixed the issue of screen tearing when back to the home screen in some games
    • Fixed the issue that the notification bar showed a blank bar
    • Updated Android Security Patch to 2021.12
  • Camera
    • Improved the startup speed of the application
    • Improved the image effect of the rear camera
  • Network
    • Fixed the issue that failed to connect to the mobile data in certain scenarios

Download OxygenOS 12 (C.39) for the OnePlus 9 and OnePlus 9 Pro

December 10, 2021

OnePlus has started rolling out the OxygenOS 12 major update for its eligible flagship smartphones. But dealing with thing kind of software is not a simple task. While upgrading to the next big version there are always been bugs and issues that cant be easily handled.

Talking about the OnePlus 9 and 9 Pro, the company has now pulled up the OxygenOS 12 update due to many bugs.

The company confirms to that it’s pressing pause on OxygenOS 12 for the OnePlus 9 and 9 Pro:

“We are aware of the issues caused by the OxygenOS 12 update and our software team is fixing them. We will suspend this software update and roll out a new iteration as soon as possible.”

Complaints about the update have generally fallen into two camps. A fair amount of pushback seems to target the ColorOS-ification of the platform, which now just straight-up mirrors a lot of ColorOS, or adds minimal window dressing.

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The OnePlus 9 has a similar 6.55-inch AMOLED display as the 8T. Software is taken care of by OxygenOS 11, which is based on Android 11. It has a Qualcomm Snapdragon 888 to perform it better.

OnePlus 9 OxygenOS 12 December 2021

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