iMessage not delivered? 6 ways to troubleshoot

There are several ways you can troubleshoot when your iMessages won't deliver.Alex Wong/Getty Images
If an iMessage isn't delivered properly, it's not an unusual issue and doesn't necessarily indicate a problem.  
The most common solution is to make sure you have a reliable network connection. 
You should also try restarting your iPhone.
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If you've had an iPhone for any length of time, you are no doubt familiar with a common