Realme has just begun rolling out November 2021 Security Patch for Realme 6i. Just like Realme 6: November 2021 Security Patch with C.15 Build, this update brings system performance & stability improvements.
Realme 6i was released on 29th march,2020 with Android 10 out-of-the box.
Last update: Realme 6 September 2021 Security Patch
Check out –>> Realme 6i Android 11 update with Realme UI 2.0

Source>>Realme Community
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 10 | Out-of-the-box | March 2020 | Nil |
| Android 11 | First OS update | September 2021 | 11 Months |
| Android 12 | Second/Last OS update | Eligible | Unconfirmed |
The Realme 6i was released with an Android 10 in March 2020. Therefore, Android 11 will be its first major OS update.
Hence, it is eligible for the upcoming Android 12 update and it will be its second/last major OS update.
Check out >>> Android 12 update list for Realme devices
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 Beta update.
For more Realme Android updates please download our Android App – Available on the Play Store