Oneplus 9: New OxygenOS 12 based on Android 12 [C.39 Build]

OnePlus 9 software update:

OnePlus had launched the New OxygenOS 12 for OnePlus 9 with C.39 Build with fixes to several bugs & issues that were reported on the previous update, this is a Hotfix for devices that were already running on android 12. This update also brings the latest December 2021 Security Patch.

After updating to OxygenOS 12, they were facing several bugs and issues post which they corrected the bugs and launched the updated version. The updated version solved various issues that the users were facing.

The updated version is aimed at solving issues relating to mobile data,  phone notifications not being visible, freeze issues, some display problems, etc. Additional features such as the auto-fill feature in Chrome and the temporary lack of access to the Ultra HD 48M / AUX camera on GCam were also corrected in the updated version.

Previous Post: Oneplus 9 released OxygenOS12 with Android 12

Release date: the update was released on 17th December 2021

Update Details

• Device: OnePlus 9
• Build version: OxygenOS 12
• Android version: Android 12
• Update type: Major Stable OS Upgrade
• Build version:
  • IN: LE2111_11.C.39
  • NA: LE2115_11.C.39  
• Android Security Patch: December 2021 

Source: Oneplus Community

Update Changelog:

• System
  • Improved the smoothness of fingerprint unlocking
  • Optimized 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

How long did OnePlus take for the updates?

Android OS	Update	Release Date/Status	Estimated months
Android 11	Out-of-the-box	March 2021	nil
Android 12	First OS update	December 2021	2 Months
Android 13	Second OS update	–	–
Android 14	Third OS update	–	–

How long will it get updates?

As this is the first major android upgrade the OnePlus 9 is getting, It still has two more major android build that is Android 13 & Android 14 respectively. Current OS Android 12 with OxygenOS 12 as of December 2021.

The OnePlus 9 will receive three years of major OS updates and four years of Security updates.

Therefore, Android 12 will be the first major OS update on this device and it is also eligible to be on the Android 13 and Android 14 update list as well.

Check here >>> OnePlus Android 12 update list

• Out-of-the-box: Android 11
• First Update: Android 12  – Currently Rolling out Dec 6th 2021 – Globally
• Second Update: Android 13 [Eligible]
• Third Update: Android 14 [Eligible] [Last Update]

How to update your OnePlus device with the latest Software Update?

The OxygenOS 12 with Android 12 update is currently rolling out to OnePlus 9 users. But, it is soon expected to be rolled out to all the users soon Globally

OnePlus Community thread for Software Update

Once the update is available on your device, you can head over to Settings >> About Phone >> Software Update section to update your OnePlus 9

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