Realme C21 May 2022 Security Patch with C.11 Build
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Realme C21: May 2022 Security Patch with C.11 Build

Realme C21 Software Update:

Realme has begun the staged rollout of the new May 2022 Android security patch via OTA for the Realme C21 model. The latest security patch comes with the build number RMX3201_11.C.11 which brings some security and system updates 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 April and May 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.

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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Update Details

  • Device: Realme C21
  • Android: Android 11 
  • Realme UI: Realme UI 2.0
  • Build number: RMX3201_11.C.11
  • Update type: Security update
  • Security Patch: May 2022
  • Release Date: 21st May 2022
Realme C21 May 2022 Security Patch

Source>> Realme community

Official Changelog

  • Security
    • Integrates the April and May 2022 Android security patches.
  • System
    • Optimized the system performance
    • Optimized the system stability

How long does Realme take for the update?

Android OSUpdateRelease date/statusEstimated Months
Android 10Out-of-the-boxMarch 2021Nil
Android 11First OS updateSeptember 202112 months
Android 12Second/last Os updateEligible/unconfirmed
Roadmap of the Android OS (Realme C21)

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 with May 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.


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, a manual update link will be available.

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