How to fix iMessage "Not Delivered" error on iPhones

IMessage is simple, and even RCS and SMS are usually reliable. But when your iPhone won’t sent a message, you can coax it into working again. How to fix iMessage "Not Delivered" error on iPhones.

Big Tech Apple How to fix iMessage "Not Delivered" error on iPhones Your iPhone should send messages normally most of the time, but you can try easy fixes when it acts up. But like anything in the tech world, even basic actions are prone to annoying bugs at times. If that important message you need to send right away ends up not getting delivered, don’t give up just yet.

When you see the "Not Delivered" error while sending a message from your iPhone, there are a few workarounds you can try. But first, it’s worth noting that the iPhone’s Messages app is more complex than it seems. That’s because it handles not one, but three different services.

The most popular is iMessage, which is the one with the blue bubbles. This is proprietary to Apple and works automatically when you message someone who also has an iPhone, iPad or Mac.