Use APKPure App
Get Camera OFF old version APK for Android
الكاميرا قبالة، وكاميرا منع، كاميرا الأمن، الأمن التطبيق
It's Camera OFF Util.
If you want Delete This App, DevicePolicyManager's(android settings) Check -> unCheck.
press button, camera on/off
its simple...
thanks