How to send a voice message on your iPhone and change the 2-minute expiration length

When a text message won't cut it, you can send a voice message on your iPhone. You can also listen to voice messages in the Messages app.

How to use RTT on an iPhone to get real-time text messaging during calls

The RTT feature on your iPhone sends text messages immediately as you type them without requiring you to hit send.
The New York Times

Here’s How to Send Texts on an iPhone Even if You Lose Cellular Service

All iPhone 14 and later models can connect via satellite, but your phone must be updated to the latest software, iOS 18. Recipients of the messages must also have the latest iOS. Android users with ...
CNET

Send SOS Messages on Your iPhone When You Have No Cell Service. Here's How

Following Hurricane Milton's landfall in Florida, here's how to make sure you can send messages via satellite if you have no cellular and Wi-Fi coverage. Jeff Carlson writes about mobile technology ...