We’ve received several reports of users having difficulty setting up Garadget using Android 8.0+ on Samsung Devices. If you experience error messages after selecting PHOTON-XXXX during the setup, please try using app binary below instead of one downloaded from the marketplace. We’re running tests and will publish it in app store soon:
https://drive.google.com/file/d/1rdNkvtXpUkaEA0OR7Da3_XKbi1oMgWxR/view?usp=sharing