If the iMessage never shows a “Delivered” or “Read” message, and it’s still blue, then you may have been blocked – but not always. … Remember, when messages are being sent as green instead of blue, that means the phone is attempting to send a traditional SMS text message instead of an iMessage.
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.