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Accidentally dropped phone in the sink when water was still in there. The back is cracked badly to exposing the microphone and shield covering the lightning connecter. I am afraid water may have seeped in and damaged the components. I put the phone on the charger, it turned on for a second then it turned off indefinitely. I have tried holding the power button for a minute but it did not turn on. How do I fix this?

Check the battery first Try a new battery