Here’s a list of all the Realme C21 models for which stock firmware is available in our database. You can find out your phone’s variant by going to Settings > About Phone > Model. After confirming your phone’s variant, click on the View Firmware button below to proceed.
| Device | Model | Region | Firmware |
|---|---|---|---|
| Realme C21 | RMX3063 | Russia | |
| Realme C21 | RMX3201 | Asia Pacific |