Realme C21Y: September 2021 Security Patch with A.53 Build
Realme C21Y Software Update:
Realme is rolling out September 2021 Security Patch to Realme C21Y devices with system stability and performance.
Realme C21Y was released was released 02nd July,2021 with Android 10 out-of-the-box.
Realme C21Y is equipped with a 5000 mAh massive battery with a 6.5″ mini-drop full screen with an Instant fingerprint Sensor.
This security patch is rolling out to the devices in batches starting 19th October 2021.
Update Details
- Device: Realme C21Y
- Android: Android 11
- UI: Realme UI 2.0
- Build number: RMX3261_11_A.53
- Update type: Software/Security
- Region: India

Source>>Realme Community
Official Changelog:
- Security
- Android Security patch: October 2021
- Fixed some issues and improved System Stability.
Check Out>> –>> Realme UI 3.0 with Android 12
How long did Realme take for the update?
Android OS | Update | Release Date/Status | Estimated Months |
Android 10 | Out-of-the-box | July 2021 | Nil |
Android 11 | First OS update | August 2021 | 1 month |
Android 12 | Second/Last OS update | Eligible | Unconfirmed |
How long will it get updates?
The Realme C21Y was released with an Android 10 in July 2021. Therefore, Android 11 is 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. However, it is expected soon.
- Out-of-the-box>>> Android 10
- First update>>> Android 11 [First Update]
- Second update>>> Android 12 [Eligible] [Last update] [Unconfirmed]
How To Check Software Update On Any Realme Smartphone?
- Open Settings.
- Scroll Down and Find Software Update; Tap On It.
- And If There Would any Update available it will appear there.
- Then Hit Download and this is how you can check Software Update on any Realme Smartphone.
More on Realme from us
- Realme Q2 Pro October 2021 Security Patch
- Realme 6: September 2021 Security Patch with C.13 build
- Realme C25Y: September 2021 Security patch
- Realme GT Master Edition: September 2021 Security Patch with A.07 Build
- Realme UI 3.0: New Features & Eligible Devices | Early Access Roadmap
Follow us
For more Realme Android updates please download our Android App – Available on the Play Store
7 Comments