Use APKPure App
Get Battery Notch old version APK for Android
Maak je notch nuttig
Battery notch allow to create a border around the notch and show u battery status.
If your device is not supported write here and i'll release new version
It work with all notch and with all hole!
Ask what u want and i'll add it in the app
Support thread: https://forum.xda-developers.com/android/apps-games/app-battery-notch-indicator-devices-t3921746/