Handling a wet charging port If the charging port is wet, shake it off or let it dry before plugging in a charger. About dropping your phone A strong external shock such as a long-distance fall can damage your battery. If you think you may have damaged your battery this way, take it to an authorised service centre to check. About charging and temperature. Charging works best when it's between 10 and 40°. If the charging port is wet, shake it off or let it dry before plugging in a charger Handling a wet charging port A strong external shock such as a long-distance fall can damage your battery. If you think you may have damaged your battery this way, take it to an authorised service centre to check. About dropping your phone About charging and temperature. Charging works best when it's between 10 and 40°.