My phone fell in the pool the other day and the screen became really dark ( I could still see some things in the screen but it was really hard) and I noticed that my phone kept turning off and on every 5 to 10 seconds and my face id is not working anymore. I went to a repairer to fix it (he changed the screen) but the phone is still turning off and on. I don’t know what to do anymore. Someone help!!!!