Apple’s Messages in iCloud service can be used to backup all your text messages to the cloud so that you can download them to your new iPhone – and keep them in sync across all your Apple devices, so that every message and reply can be viewed on every device. … Go to Settings > click on your Apple ID then iCloud.
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.