A friend has a Edge 7 and it's stuck in some kind boot loop. It's hard to see what is actually wrong with it as there is some kind of writing on the screen but it's really dark with a deep blue writing, so dark you cant make out what is says. The light is pulsing on the front and the writing on screen changes from one screen (looks like 2 battery symbols) to another screen with 2 samsung galaxy edge 7 writing but I cant say for sure as it's so hard to read, to me it looks like recovery mode. I've been through all the button pressing tricks but nothing. Once I get some charge in it I cant turn it off. If I connect to the CP I get a ding dong then it disconnects but this is random sometimes the PC doesn't see it. Is there anyway to get the back working ?