If your camera app is corrupted, download the full OTA (Over-the-Air) firmware from Realme’s official support site and flash it via the recovery menu. This will restore the camera to the version that shipped with that firmware.
If your phone hasn't updated automatically, users often find specific version APKs on community-driven sites: camera 3.1.0 realme
Obtain the Realme Camera 3.1.0 APK file from a verified source. If your camera app is corrupted, download the