Hi, had phone for about a month..charging well..only problems so far is that apps are going to sleep. When on Spotify,and music playing...screen goes black..then off.Same with wassup...even when on a call...it goes asleep...never had this trouble on other android versions...there is no option to tell phone not to sleep per app...and I have ticked all options in notifications
..any help please..thanks

Hi there, please refer to this thread:
viewtopic.php?f=232&t=409646