Realme has just begun rolling out its September 2021 Patch to both Realme X3 and Realme X3 SuperZoom.This update integrates the latest android Security patches fixes some known issues and improves system performance.
Highlights
Realme X3 and X3 Superzoom received stable Android 11 based Realme UI 2.0 In May 2021.
Realme X3 was released on 30th of June, 2020 with Android 10 out-of-the-box
Realme X3 Superzoom was released on 2nd of June, 2020 with Android 10 out of the box.

Source>>Realme Community
This update is reported on 27th September 2021
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 10 | Out-of-the-box | June 2020 | Nil |
| Android 11 | First OS update | May 2021 | 11 months |
| Android 12 | Second/Last OS update | Eligible | Unconfirmed |
The Realme X3 and X3 Superzoom were released with Android 10 out-of-the-box and got its first update to Android 11 with Realme UI 2.0 in May 2021.
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As it awaits the update to android 12 which supposedly will be its last major update while it's yet to be confirmed.
The Realme X3 and X3 Superzoom have been released with the September 2021 security patch.
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 update.
For more Realme Android updates please download our Android App – Available on the Play Store