OnePlus, a Chinese Tech Giant has started rolling out a new September 2023 Security Patch Update for OnePlus Nord N20 SE. This update is based on Android 13 OxygenOS 13.1.
If we talk about the build number. So, the build number of the update is identified as OxygenOS 13.1 CPH2469_13.1.1.520 (EX01). Also, the changelog of this update is listed below:

System
- Integrates the September 2023 Android security patch to enhance system security.
As this is a security patch update. So, don’t expect any new System or UI changes. This update only improves the system’s stability and performance. This update also improves the bugs that are present in the previous version. As well as the new August 2023 Security Patch.
How to Update?
To update your OnePlus N20 SE, you have to open Settings > About Device > Click on OxygenOS Box. There you will see the new update. Firstly, Download the Update by clicking the Download Button. Then, tap on Install.

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