Oneplus 9 Pro: April 2022 Security Patch with C.48 Build

OnePlus 9 Pro Software Update

OnePlus has started pushing the incremental rollout of OxygenOS 12 update – C.48 for the OnePlus 9 Pro model. The latest build number LE2121_11.C.48​ brings April 2022 security patch which fixed some issues to improve the system stability. This update has already been started rolling out in IN region and EU and NA will soon receive the update too.

OnePlus 9 Pro was released on 23rd March 2021, with Android 11 out-of-the-box.

As usual, this OTA will be incremental. A small fraction of users will receive the OTA, and they’ll begin a wider rollout in a few days.

Previously it was seen running the C.47 Build, which had brought the March 2022 Security Patch, along with a bunch of improvements in the system & camera of the device, read the full post from here: Oneplus 9 Pro: March 2022 Security Patch with C.47 Build

Firmware Versions of Different Regions

EU: LE2123_11.C.48

IN: LE2121_11.C.48

GLO: LE2125_11.C.48​

Update Details

• Device: OnePlus 9 Pro
• Android: Android 12
• Custom UI: OxygenOS 12
• Firmware Version:
  • EU: LE2123_11.C.48
  • IN: LE2121_11.C.48
  • GLO: LE2125_11.C.48​
• Update type: System
• Security patch: April 2022
• Release date: April 18, 2022

Source: Oneplus Community Page

Official Changelog:

• System:
• [Improved] system stability
• [Updated] Android security patch to 2022.04

How long did OnePlus take for the major OS update?

Android OS	Update	Release date/status	Estimated time
Android 11	Out-of-the-box	March 2021	Nil
Android 12	First update	December 2021	2 months
Android 13	Second update	Eligible	Unconfirmed
Android 14	Third update	Eligible	Unconfirmed

How long will it get updates?

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

• Out-of-the-box: Android 11
• First Update: Android 12 [Received]
• Second Update: Android 13 [Eligible]
• Third Update: Android 14 [Eligible] [Last Update]

Check your device>>> OnePlus Android 12 update list

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

The OnePlus 9 Pro Software Update with OxygenOS 12 with C.48 build is currently rolling out in India, Europe & North America

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

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