Android phone manufacturers, including Samsung, say the same. “Do not leave your phone connected to the charger for long periods of time or overnight.” … Your battery will automatically stop charging when it’s full, but in some cases, once it drops to 99%, it will need more energy to get back to 100.
When you call a dead phone does it ring?
Answer: A: With a dead battery it should not ring but it should go to voicemail directly.