A bit of information you might find interesting that I was totally unaware of when trying to get my faulty Cell Phone replaced.....
"In an apparent attempt to bypass efforts to make phones more resistant to water seepage, certain cellphone makers have resorted to placing "water detection stickers" just within the phone's casing. These pads turn to alternate colors if any moisture makes its way in, giving companies the perfect excuse to nullify warranties regardless of whether the malfunction was actually water-related. While we certainly imagine that waterlogged phones are among the highest claimed for replacement, this tiny sensor makes voiding a warranty an exercise in simplicity, as even a brief call while scurrying through the rain could eliminate any future coverage. While it has been said that placing a piece of "satin finish scotch tape" over the pad will forestall the colors from a-changin"