Realme C21: July 2022 Security Patch with C.13 Build
Realme C21 Software Update:
Realme has begun the staged rollout of the new July 2022 Android security patch via OTA for the Realme C21 model. The latest software update comes with the build number RMX3201_11.C.13 which brings some security and system changes with it. It doesn’t bring any major improvements to the system and fixed some minor issues in the new update.
Realme C21 was released in March 2021 with Android 10 out-of-the-box.


The update doesn’t bring any new major improvements besides system and security updates. Talking about security changes, it integrates the July 2022 Android security patches. For system updates, it optimized the stability of the system and the performance of the system has also been improved to further enhance the user experience.
Note: Remember, this is a staged rollout so it will be randomly pushed to a limited number of users to ensure there are no critical bugs. If no critical bugs are found, the rollout will be fully completed in the upcoming days.
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Previous Update:
Previously the device had received the May 2022 Security Patch with C.11 Build, which had bought changes to the system and stability of the device. Full details of the changelog: Realme C21: May 2022 Security Patch with C.11 Build
Update Details
- Device: Realme C21
- Android: Android 11
- Realme UI: Realme UI 2.0
- Build number: RMX3201_11.C.13
- Update type: Software Update – Security update
- Security Patch: July 2022
- Release Date: 20th July 2022


Source>> Realme community
Official Changelog
- Security
- Integrates the July 2022 Android security patch.
- System
- Optimized the system performance.
- Optimized the system stability.
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How long does Realme take for the update?
Android OS | Update | Release date/status | Estimated Months |
Android 10 | Out-of-the-box | March 2021 | Nil |
Android 11 | First OS update | September 2021 | 12 months |
Android 12 | Second/last Os update | Eligible/unconfirmed | – |
How long will Realme C21 get updates?
The Android 11 Update is its first major OS update which was released in September 2021 and, it is eligible for the upcoming Android 12 update too. There hasn’t been any official announcement but it is expected to be released sometime in the second or third quarter of 2022.
The Android 12 update will most probably be the last major OS update for it. But, it is still unconfirmed.
- Out-of-the-box: Android 10
- First Update: Android 11
- Second Update: Android 12 [Last update] [Eligible] [Unconfirmed]
How to install the latest software update on your Realme device?
The Realme C21 Software Update with June 2022 Android security patch is being rolled out in phases and will reach all the users soon.
Once the update is available on your device, you can head over to Settings >> About Phone >> Software Update section to update your Realme device with the latest security/software update.
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How To Check Software Update On Any Realme Smartphone?
- Open Settings.
- Scroll Down and Find Software Update; Tap On It.
- And If There Would any Update available it will appear there.
- Then Hit Download and this is how you can check Software Update on any Realme Smartphone.
Note
This is, once again, a staggered rollout that will soon be available to all customers. Please wait for the update to arrive on your device.
On the website https://www.realme.com/in/support/software-update, a manual update link will be available.
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