I dropped my s4 in the toilet two days ago.I got it out fast and pulled the Otterbox off and it and pulled battery. Got it dried off and the only water that got under better cover was in the camera. None of the water marks got wet. When I put battery back in and powered my phone back up it would tunr on but all I could see on screen was one yellow line. I called and they said it sounded like a hardware for issue and are sending me a new phone. I plugged my phone in today to charge it so that had a full battery for new phone. It powered up and works flawlessly now. My question is do I keep my phone or do I keep the certified like new replacement they send me