The stock Messages app on iPhone and iPad lets you send iMessages and SMS text messages too. But the great thing about iMessage is that you can communicate endlessly with other Apple users with iPhone, iPad, Mac, and Apple Watch, entirely for free, through the encrypted iMessage protocol. But what if Messages is not working on your iPhone or iPad? That’s when you’ll want to try out some troubleshooting steps to resolve the problem, and get iMessages working again as intended.

When you send a text message to an Android user or any non-Apple device, it’s…