I fix an old Nintendo DS lite that looked that bad. Imagine that picture above but with some kind of slimey goo inside as well. The owner was shocked. They were even more amazed when I handed it back to them cleaned up and fully functional.An old Qtek 9100 I found in my closet, aquired from god knows where. I miss the days when you could repair phones with screwdrivers, but OTOH modern phones don't look like that on the inside.