It's easy to enable iMessage on an iPhone to send messages over cellular data or Wi-Fi with other iPhones, or over Wi-Fi with iPads or Mac computers.

Your iPhone messages could be green for two reasons: you're texting Android users, or you're not connected to Wi-Fi.

If you're having trouble getting iMessage to work after upgrading to iOS 26, Apple is aware of the issue and has shared a fix ...

iPhone users on iOS 26, iMessage activation may be blocked by an inactive SIM — here's how to fix it. Some users are finding ...

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

When you updated your iPhone to iOS 26, you were probably expecting to try out a bunch of new features. Maybe you were ...

If you have an iPhone, you probably use iMessage as your primary messaging app. This is especially true if you also have other Apple devices, like a Mac and an iPad. Typically, iMessage should work ...