Realme has begun its rollout of the November 2021 Security Patch for Realme C20 devices. And also brings noticeable improvements in system performance and stability. This update also brings the previous month security patch along with the latest security patch.
Realme C20 was released on January ,2021 with Android 10 Realme UI 1.0
Update Release date: 22nd November 2021

Source>> Realme Community
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 10 | Out-of-the-box | January 2021 | Nil |
| Android 11 | First OS update | Not yet received | unconfirmed |
| Android 12 | Second/Last OS update | – | – |
The Realme C20 came with Android 10 out-of-the-box and it’s anticipated that it receives an Android 11 update, though it's been a while and we have our doubts whether it will get the Android 11 update or not as Realme has already started working with a beta version of Android 12 for their Devices.
Check out: Realme Android 12 Update list Based on Realme UI 3.0
Hence, Realme C20 should be eligible for Android 11, but we are sure of the timeline of the update.
The Realme C20 will receive the November 2021 Security Patch with A.55 Build
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.
For more Android updates please download our Android App – Available on the Play Store