When troubleshooting an iPhone that is not sending messages, first make sure your phone has service, then proceed with these tips.

Apple says the issue may stem from having an inactive SIM with the same number as your active SIM. To fix it, remove the ...

If your texts are falling back to SMS, try these steps to ensure that Apple's Messages app is properly functioning. I started my career with CNET all the way back in 2005, when the (original) Motorola ...

If you're not receiving text messages on your iPhone, there are several ways to fix your problem. Here's everything you need ...