It must be possible to open it up somehow even though not designed to be readily opened by the user. If you don't care to try, you could use silica gel to absorb any water that may have got in or as many people do, put into rice for the same effect.
Hello guys i received ascend p7 and it is nice phone lookning but software REALLY sucks ..
i rooted phone but first tie i met android phone which ADaway app failed .. it wont download its files and appy ?!??! installed ap ok ..