May 2021 security patch rolling out for Realme C21, C20

Realme has started to rollout a new firmware update for Realme C21 and Realme C20 users. This update installs the latest Android patch released in May 2021 for system security improvement.

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Aside from the security patch, it also optimizes the system performance and improves system stability. However, there’s no additional feature or change noted in the update.

For more information, below you can check the updated software version and changelog of this update.

Updated Version:

  • Realme C21 – RMX3201_11_A.37
  • Realme C20 – RMX2195PU_11.A.33



  • Updated Android Security Patch: April & May, 2021


  • Optimized the system performance
  • Improved the system stability

Download Link

How to update:

To check for the latest software update manually, just head into the device Settings and tap on the Software Updates menu. You can Download and Install the latest update now.

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