mobile

Hey guys, my XZ's interal speaker is dying (sometimes i can't hear the person in a voice call) so i'll have to replace it (it's about 3 euros). That means tearing the phone apart and with it no more waterproof phone. Can i somehow make the phone waterproof again after dissassemblement? I also like to mention that my usb/charging port white indicator has turned pink and the audio jack too. Does that mean there's moisture inside the phone? it works fine...