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Doing this may not fix this particular issue but is worth a try. In addition to fixing app issues, restarting your phone helps extend your battery’s life, preserve your phone’s memory and, overall, help your phone to run more smoothly. Try restarting Messages by closing it then re-launching it. Problems like these will cause apps to stop working as expected. Once you’ve deleted the apps you no longer use, go back to “Storage & iCloud Usage” to see how much space you’ve managed to free.Ĭlosing the Message app then re-launching it may fix conflicts, bugs, or memory issues.If you want to see which app is occupying the most space, tap “Manage Storage.”.This screen displays how much memory space your phone has left.Tap “General” then “Storage & iCloud Usage.”.Try asking a mutual contact for the intended recipient’s new number. If you receive a standard disconnected message, that’s clearly the problem.If their phone rings a few times then goes to voicemail, your number may be blocked. If you keep getting sent to voicemail, try calling from a different number.Try calling again another time and see what happens. If you call and it rings once and then goes to voicemail, it could be that they’re on a call, have no reception, or their phone is switched off.Here are a few things that might happen and what they might mean:

Is it possible that your number has been blocked? Apple does not notify people once they’ve been blocked on someone else’s phone, so you’ll need to figure this out for yourself. If there is, they’ll surely be doing all they can to get it up and running quickly, so just keep checking the status. There you can see whether there is a problem with their iMessage service. Check Apple’s system status page to confirm. It could be that the problem has nothing to do with your iPhone and the cause is with Apple. Tip 5: Check Whether the Problem Is With Apple

Tip 2: Close and Restart Messagesįorcing an app to close then re-launching it can resolve any bugs, conflicts, or memory-related issues. If you have another method to contact them e.g., by email, use that to verify that the number you have is correct, or maybe check with a mutual friend. Have you ever been successful previously in texting that number? Is the recipient still using it? If they’ve changed their number and forgotten to deactivate iMessage, their old number is now inactive, and you’ll receive the “Not Delivered” message every time you SMS it.
