Realme 7 Pro started receiving December 2021 Security Patch, the latest update was released on 23rd December 2021 which carries the build number of RMX2170_11.C.28. This update fixes an issue related to WhatsApp wherein users faced occasional issues related to images not loading up, this update changelog share's with a bunch of Realme devices.
The Realme 7 Pro was released in September 2020 with an Android 10 out-of-the-box.
It was running on October 2021 Security Patch with RMX2170_11.C.27 build, although the device is expected to receive android 12, probably users may have to wait until 2022 for early access.
Previous post: Realme 7 Pro October 2021 Security Patch with C.27 Build

Source: Realme Community
| Android OS | Update | Release Date/Status | Estimated Months |
| Android 10 | Out-of-the-box | September 2020 | Nil |
| Android 11 | First OS update | April 2021 | 7 months |
| Android 12 | Second/Last OS update | Eligible | Unconfirmed |
The Realme 7 Pro received its first major OS update with Android 11 based Realme UI 2.0 in April 2021.
Hence, it can be concluded that it is Eligible for the upcoming Android 12 update. Therefore, Android 12 will be the last major OS update for this device.
The Realme 7 Pro December 2021 Security Patch is being rolled out in phases. Hence, it will reach all the users soon.
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 Android updates please download our Android App – Available on the Play Store