A rhythm section (also called a backup band) is a group of musicians within a music ensemble or band who provide the underlying rhythm and pulse of the accompaniment, providing a rhythmic reference and beat for the rest of the band.
Your Samsung Galaxy S3 android phone has water damage indicators to tell whether your phone was in contact with water or any liquid. It is difficult to find these indicators as they are different for each carrier. If your android phone was dropped in water, You can try to repair your water damaged android phone.
All water damage phones must be cleaned with isopropanol and get a new battery before anything else. Ideally, desolder the EMI shields, clean with ultrasonic cleaner, spot clean with brush. Assuming you've done the best you can on this, then if still a problem... Connect to WiFi and make sure time/date is current.