vlasta.vasicekIt's not that easy. Writing perfect code with zero risk of bugs doesn't exist. All the settings and the software installed on your device makes it close to unique. To find out what exactly causes this issue is very hard and time consuming. More time consuming than a reset even though we are aware of the dreadful process of backing up, reinstalling, the setup and all that.
why doesn't ASUS admit that he has broken something? nobody wants to lose data by default because of a programmer error. Make the correct functional version, containing fixes from android 9 and everyone will be happy. the factory reset hints are not logical. nobody wants to do a factory reset after the upgrade. this is an asus error