Oneplus 9 Pro December 2021 OTA Update with Android 12 along with C.40 Build
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Oneplus 9 Pro: December 2021 OTA Update with Android 12 [C.40 Build]

OnePlus 9 Pro software update:

Oneplus has released another OTA patch or Hotfix for Oneplus 9 Pro, in the month of December 2021. This update tries to fix system upgrade failure in which, the device has a few problems while updating the software of the device along with better connectivity of 5G is some scenarios.

Release date: the update was released on 30th December 2021

In particular, as per the OnePlus community, this update doesn’t solve this problem for affected users, At the beginning of December 2021 OnePlus had released a stable OxygenOS 12 for 9 Series but unfortunately, it had a tremendous amount of bugs which they had re-called after a few days.

Just after a week, OnePlus released New OxygenOS 12 with Android 12 update for 9 Series of devices carrying the C.39 Build and December 2021 Security Patch along with it.

This update [C.39 Build] had fixed quite a few bugs, but the main bug of software not upgrading is carried to most devices which are affecting the Community of Red Cable & Other issues.

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

Update Details

  • Device: OnePlus 9 Pro
  • Build version: OxygenOS 12
  • Android version: Android 12
  • Update type: Major Stable OS Upgrade
  • Build version:
    • IN LE2121_11_C.40
    • NA LE2125_11_C.40
  • Android Security Patch: December 2021 
Oneplus 9 Pro December 2021 OTA Update with C40 Build

Source: Oneplus Community

Update Changelog:

  • System
    • Fixed the issue of system upgrade failure in specific scenarios
  • Network
    • Fixed the issue of being unable to access the 5G network in some scenarios

How long did OnePlus take for the updates?

Android OSUpdateRelease Date/StatusEstimated months
Android 11Out-of-the-boxMarch 2021Nil
Android 12First OS updateDecember 20212 Months
Android 13Second OS update
Android 14Third OS update
OnePlus 9 Pro – Android Roadmap

How long will it get updates?

As this is the first major android upgrade the OnePlus 9 Pro 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 Pro 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 Pro 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 Pro.

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