If the iMessage Signed Out error message on your iPhone prevents you from using iMessage, you should be able to resolve the issue by following the troubleshooting methods shown below.
iMessage Signed Out Error on iPhone
There are many causes of the iMessage Signed Out error on the iPhone, including network issues, incorrect iMessage settings, software bugs, and others.
These are some solutions to the iMessage Signed Out problem on the iPhone that have been successfully applied by other users.
1. Make Sure iMessage is Enabled
It’s possible that you mistakenly disabled iMessage, or that someone else who has access to your iPhone did.
Make sure that iMessage is activated (Green) under Settings > Messages and that your phone number is listed next to Send & Receive.
Go to this guide: How to Repair iMessage Waiting For Activation Problem on iPhone if you receive the Waiting for activation error message on this screen.
2. Check iMessage Server Status
IMessage issues can occasionally be brought on by a brief outage of Apple servers. Visit Apple’s System Status page and look at the iMessage entry to make sure.
If there is an issue, an error notice and a red dot will appear next to the iMessage entry.
3. Restart iPhone
Close any stuck applications and processes that may be the root of your iPhone’s iMessage issues by restarting the device.
To shut down, go to Settings > General. Wait for the iPhone to completely shut down before attempting to sign in to iMessage after 30 seconds.
4. Check Your Apple ID
On the following screen, under Settings>Messages>Send & Receive, check to see if your Apple ID connected with iMessage is mentioned.
Use Your Apple ID for iMessage and sign in to your Apple ID if Apple ID is not listed.
5. Restart iMessage Service
Turn off iMessage by going to Settings > Messages.
Turn off iPhone (Settings>General>Shut Down), wait 30 seconds, then restart it. Afterwards, turn on iMessage by turning the toggle switch to the ON position.
6. Check Software Updates
A software update for your iPhone may occasionally be the cause of the issue.
To update the software, go to Settings > General.
Tap on Download to install updates on your iPhone on the following screen (if available).
7. Reset iMessage Region
Navigate to Settings > Messages > Send & Receive and then tap the Apple ID link on the following screen.
Choose the Current Region by tapping on Current Region in the pop-up window, then tap on Save.
8. Reset Network Settings
To restore the network settings on your iPhone to their factory defaults, write down your WiFi network password and then follow the instructions below.
To transfer or reset your iPhone, go to Settings>General>Reset. Choose the Reset Network Settings option on the pop-up menu.
To confirm, press Reset Network Settings on the pop-up window.
Restart your iPhone, then connect to your WiFi network to check if you can sign in to iMessage.
9. Delete Old Messages
A message or message thread that has become stuck or corrupted occasionally causes issues. You might try removing the most recent iMessage that you received before this issue began.
If necessary, try removing the whole message thread to see if it resolves the issue.