
If your iMessages aren't working on your iPhone or iPad, it's frustrating. The issue could be due to a simple setting change or a more complex problem with your device.
First, check if your iMessage is enabled. If it's not, go to Settings > Messages and toggle the switch to turn it on. This is a basic step, but it's surprising how often it's overlooked.
If you're still having trouble, try restarting your device. This simple reboot can often resolve connectivity issues.
Common Issues
If you've set up a new device and are experiencing issues with Messages, update your device to the latest version of iOS or iPadOS if needed. Sometimes, a simple update can resolve the problem.
Conversations in Messages may show up as separate threads or sent messages appear as green message bubbles instead of blue message bubbles. To fix this, go to Settings, tap Cellular, and make sure your phone line is turned on.
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If you're using multiple SIMs, ensure the phone number you want to use is selected and turned on. Additionally, tap Messages, then turn iMessage off and back on, and finally, tap Send & Receive to check your phone number.
If iMessage isn't set up correctly, your phone won't be included on the list of devices that can use iMessage, preventing you from sending or receiving messages. To fix this, start the Settings app, tap Messages, then tap Send and Receive, and verify that your iPhone's phone number is included in both sections of the page.
Messages on your iPhone may not appear or be out of order on your Mac or iPad. To resolve this, go to Settings > Messages > Send & Receive and ensure all the email addresses associated with your iMessage account are ticked.
On your Mac, open the Messages app, click Messages in the top menu bar, then Preferences, and click Accounts to verify the email addresses. Finally, restart Messages on each device to see if the issue is solved.
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Ensure It's On and Set Up Correctly
First, make sure iMessage is turned on. You can find this setting in the Messages section of your iPhone's Settings app.
Check that your phone number is included in the Start New Conversations From section of the Send & Receive page. If it's not, you won't be able to send or receive iMessages.
To check this, go to Settings > Messages > Send & Receive, and look for a tick beside your phone number. If you don't see one, you need to add it.
If you're using multiple SIMs, make sure that the phone number you want to use is selected and turned on in the Cellular section of your Settings app.
You can also try resetting the Messages app by turning iMessage off and then back on. This can be done in the Apps section of your Settings app.
Here are the steps to follow:
- Go to Settings > Apps
- Tap on Messages
- Turn iMessage off and then back on
- Tap on Send & Receive
- Tap on the phone number that you want to use with Messages
Sending and Receiving Messages
If you're experiencing issues with iMessages, it's worth checking if your friend's device is set up to receive them. If they have an Apple device, they should be able to receive iMessages, but they might need to activate the feature or update their settings.
To troubleshoot the issue, refer them to this article or have them check their device's settings. They might need to toggle iMessage on or off and back on again.
If your friend has recently changed networks, they may need to activate iMessage again. Alternatively, if they've switched to using an Android or Windows device, they won't be able to receive iMessages on that device.
To resolve the issue, you can try having your friend deregister from iMessage if they no longer want to receive iMessages.
If you're having trouble sending messages to groups of people, it might be because one of your contacts no longer has an iPhone.
Device-Specific Issues
If you're experiencing issues with Messages after setting up a new device, try updating your settings. Update your device to the latest version of iOS or iPadOS if needed.
To fix issues like conversations showing up as separate threads or sent messages appearing as green message bubbles, follow these steps:
- Make sure your phone line is turned on in the Cellular settings.
- Turn iMessage off and then back on in the Messages settings.
- Go to Send & Receive and select the phone number you want to use with Messages.
If your iPhone is connected to Wi-Fi or cellular data, but iMessage still isn't working, check your time zone. Go to Settings > General > Date & Time to confirm it's correct.
If your Messages on iPhone aren't appearing on your Mac or iPad, try storing them in iCloud. This way, they'll always be in sync on all your devices.
To fix sync issues, follow these steps:
- Go to Settings > Messages > Send & Receive and make sure all your email addresses are ticked.
- Open the Messages app on your Mac, click Messages in the top menu bar, then Preferences, and tick the email addresses again.
- Restart Messages on each device.
If your iMessage isn't enabled, you can enable it in the Settings app on your iPhone. Head to the Messages section and toggle the iMessage option on.
Glitches and Errors
If your iMessage app is glitching or frozen, don't worry, it's an easy fix. Double press the Home button on your iPhone, then swipe up on your iMessage app to relaunch it. This usually solves the problem.
If that doesn't work, try rebooting your iMessage app by turning off iMessage and then turning off your iPhone. Wait for your iPhone to power up again, then turn iMessage back on. If that still doesn't resolve the issue, sign out of your Apple ID and sign in again from the Settings and Messages menus.
Here are some troubleshooting steps to try if your iMessage is not working after updating to iOS 18.5:
- Reset network settings
- Restart the phone
- Sign out of and back into iMessage
- Remove your phone number and add it back in
Red Exclamation Point

If you see a red exclamation point with an alert that says Not Delivered, check your network connection. It's possible that your internet connection is weak or unstable, which can prevent messages from sending properly.
To fix this issue, tap the red exclamation point and then tap Try Again. This will attempt to resend the message.
If you still can't send the message, try tapping the red exclamation point and then tapping Send as Text Message. Keep in mind that this may incur messaging rates.
You can also set up Messages to automatically try to send messages as an SMS when iMessage isn't available. To do this, go to Settings > Apps > Messages and turn on Send as Text Message.
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Has Glitched
If your iMessage has glitched or frozen, don't worry, it's a common issue that can be solved with a few quick troubleshooting steps.
First, try double pressing the Home button on your iPhone, then swipe up on your iMessage app. Relaunch the app and see if that works. If that doesn't work, you can try rebooting your iMessage app by turning it off and then back on again.
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If that still doesn't resolve the issue, try signing out of your Apple ID, then signing in again. This can often fix the problem.
Sometimes, a simple restart of your iPhone can also help to resolve the issue. Try turning your iPhone off and then back on again. This can often clear out any glitches or bugs that may be causing the problem.
If none of these steps work, you may need to try a more advanced troubleshooting step. Check that your iPhone is connected to Wi-Fi or cellular data, and make sure you're running the latest version of iOS.
If you're still having trouble, you can try checking your time zone settings. An incorrectly set time zone can cause issues with iMessage, so make sure it's correct by going to Settings > General > Date & Time.
For another approach, see: Where Is Imessages in Settings
Visual Effects Failed
If your iMessage visual effects aren't working, check that your recipient has updated their version of iOS.
Some effects won't work if your friend has Reduced Motion activated on their iPhone, so they need to go to General > Accessibility > Reduce Motion > Off.
To troubleshoot visual effects issues, follow these steps:
- Check that your recipient has updated their version of iOS.
- Check if your friend has Reduced Motion activated on their iPhone and turn it off if necessary.
Note that your effects won't work if they're not sent as an iMessage, or if your friend doesn't have an iPhone, iPad, or Mac.
Troubleshooting
If your iMessage isn't working, first check if you have a good connection. You need a steady, consistent data connection, such as 3G, 4G, or 5G, or a good Wi-Fi signal. If you can't load a webpage on Safari, it means you don't have an Internet or cellular connection.
Try restarting your iPhone and Messages app. This simple trick often fixes the problem. If not, you can try turning off and on again, which is always a good troubleshooting step.
If you've recently updated your iPhone to iOS 18.5 and iMessage isn't working, try resetting network settings, restarting your phone, signing out of and back into iMessage, and removing and adding back your phone number. If that doesn't work, you can try resetting your whole phone.
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Here are some common issues and their solutions:
If none of these solutions work, you can try resetting your iPhone or seeking further assistance from Apple support.
Poor Connection
Having a poor connection can be a major obstacle to getting iMessage to work properly. Your phone needs a steady, consistent data connection to send and receive iMessages. Ensure you have 3G, 4G, or 5G connectivity available, or be connected to a good Wi-Fi signal.
Checking your connection is as simple as trying to search for a webpage on Safari or any other web browser. If your phone can’t load a webpage, it means that you don’t have an Internet or cellular connection.
If you're unsure about your connection, try switching to a different network or moving to a location with better coverage. This can often resolve the issue and get iMessage working again.
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iPhone Messages Sync Issue
If you're experiencing an iPhone Messages sync issue, don't worry, it's a common problem. Sometimes, the Messages app on your iPhone won't sync with your Mac or iPad, and you might miss important messages.
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Make sure you have a good connection, as iMessage won't work properly without a steady, consistent data connection. You must ensure that you have 3G, 4G, or 5G connectivity available, or be connected to a good Wi-Fi signal.
You can check your connection by trying to search for a webpage on Safari or any other web browser. If your phone can't load a webpage, it means that you don't have an Internet or cellular connection.
If your phone has a good connection, try restarting your Messages app. This is a simple fix that often works. To do this, swipe up on the home screen and then swipe up to close the Messages app, before relaunching it.
If restarting the app doesn't work, try rebooting iMessage by going to Settings > Apps > Messages and turning off iMessage, then turn off your iPhone and then wait for your iPhone to start up again. Once you've rebooted, return to Settings > Messages and turn iMessage back on.
Also, check that your phone number is set to send and receive messages. To do this, go to Settings > Apps > Messages, tap Send & Receive, and choose the phone number or email address that you want to use with messages.
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If you're still experiencing issues, try turning on iMessages in iCloud. This will store all your messages in iCloud, which means they will always be in sync on all your devices. To do this, go to Settings > Messages > Send & Receive, and make sure all the email addresses (not just phone numbers) that you want to associate with that iMessage account have been ticked.
Here are some common iPhone Messages sync issues and their solutions:
Frequently Asked Questions
Why aren't all my iMessages coming through?
iMessages require a stable internet connection to send and receive. Check your network connection and ensure you have a reliable WiFi or cellular signal
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