I'm also facing this same issue. I bought 6 months ago and i don't have Samsung service centres in my area what should i do. It's connecting and disconnecting automatically.
Dear Samsung Member,
Greetings from Samsung Customer Support!
Please perform the below mentioned steps to resolve the issue:
* Reset app preferences.
Settings > Apps > More option or on three dots at the top right corner of the screen > Reset App Preferences.
For further assistance, register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).
Thank you for writing to Samsung.
Samsung Customer Support