Apple Support says if you see "No Service" or "Searching" in the status bar on your iPhone or iPad, your device isn't ...

If you receive an unexpected message from an unknown source and see that the text contains links, do not reply to it. Doing so will make the links live again, but simply ignoring the text (and ...

Your iPhone allows you to block text messages from any number on your device in a few simple steps. You can block contacts already stored in your phone or unknown numbers not stored on your device.