Yeah, I have few bricked devices which reached the your goal.

No, I cannot rely on the app sandbox. If someone else controls a device, then this device can be used against me.

Your antivirus, scanner or not, is useless on your device for you.

My antivirus on my device is useful for me. It works fine on GrapheneOS (Pixel 6), but banned by Google on Pixel 5, which is not supported by Google with security updates. WTF?