Ans: 1: To hide the Microg App notification you can simply disable the battery optimization for MicroG and then reboot your device. 2: If the notification doesn't off with the preview's method then you can disable MicroG notifications by just holding on to the notification, toggle it off and tap and then save. 3: Disabling Microg notification can be different for different device so if your Microg notification doesn't off using those methods then you can google it simply.