I just got a galaxy Tab S10 and it has some sort of custom OS. It has taken over the Android system and does things on its own. Turns off/ on Bluetooth, wifi, NFC, does quick share, opens up nearby share, near by devices scanning persistent wifi, removes apps, downloads apps that I haven't added and changes the properties of the apps. Have found several apps with changed icons and a overlay screen, mirroring, and I'm broadcasting on a channel FM_93, when I ran a device check it says...Read more