So, today for no apparent reason my Lumia 1320 started doing something strange - lines.
The screen went blank and at first I couldn't see anything, and then all I could see were lines that changed as I scrolled.
I've not been using my phone different to any other day and it's not heating up more than usual. It's just weird. Switched it off for about half an hour and it's back on now - came on with the lines which have now gradually faded so that I can see my tiles and stuff.
Should I be worried?
Is there something I can do to stop this happening again?
Edit: Phone has not been dropped or knocked and it's been in a protective cover since day one. Also, no water damage.
When the phone "comes on" after dying al you see is lines. When I lock the phone the glance screen shows perfectly.
Can't take screen shots of the lines.