Switch off without reason s6 edge

[AC Question]

While I turn on mobile data due to some reason suddenly switch offs then after 1 hre it will be on always it happens

 

[B. Diddy]

Welcome to Android Central! How do you know it switches off? Does the 4G indicator go away in the status bar? Or do you see the toggle switch turn off in the system settings?

Does this happen in Safe Mode as well? https://support.t-mobile.com/docs/DOC-29226