Realme 8i has started receiving December 2021 Security Patch carrying a build number of RMX3151_11_A.35 and released on 4th of January 2022, bringing, as usual, the same fixes in known issues & stability improvements.
Released on 14th September 2021 with Android 11, Realme UI 2.0 out-of-the-box.
This device also received the previous month security patch, of November 2021 which is a good thing coming from Realme, As this device is midrange to the budget segment having a regular security patch for this device is a notable appreciation for Realme.
Previous Update: Realme 8i: November 2021 Security Patch with A.32 Build

Source: Realme Community
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 11 | Out-of-the-box | March 2021 | Nil |
| Android 12 | First OS update | expected | unconfirmed |
| Android 13 | Second/Last OS update | – | – |
The Realme 8i was released with Android 11 out-of-the-box. So, its first OS update will be Android 12 and Realme 8i Android 13 Update will be the last major OS update on this device.
The Realme 8i was released on 14th September 2021 with Android 11 with out-of-the-box.
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 Realme updates please download our android app – Available on Play Store