Been having phone troubles lately , buttons not working , not taking charge
on the way to a job on Friday and the swell wasn't too bad so pulled in 4 a quick surf .left the I phone sitting on the back of the car . Anyway forgot about it and drove off . Friend walking down the road found it 3 days latter after bouncing across the road and lying in the rain for 3 days .
Phone now works perfectly .

Moral to the story , next time the phone plays up throw it out the window and go back 3 days latter and pick it up .

note this method is definitely not recommended by Bill Gates and others associated with IPhone