After my Samsung A5 Duos fell in the water for 2-3 secs, I dried it with paper towels and put it in a bag with a silica gel pack and rice overnight. Then I charged my phone, it was back to normal for around 10 secs and switched to Safe Mode. There was also a warning screen about downloading a custom OS that appeared a few times. My phone was also powering off and restarting on its own. What should I do?