Hi Guys, My note 4 refuses to turn on.  When I eventually get it on its flashing with the samsung logo. I've tried all sorts when googling it. Now its saying downloading.... Do not turn off target !!! The top left hand corner there are red, white, grey, blue writing.  I can't figure out what it says either. The phone is fully charged. Any ideas on how to resolve this before taking it to a phone clinic ??? ... View more