Several users have said that they are unable to turn on or sign in to iMessage on iPhone running iOS 17. Users have further said that they see an error message saying “Activation unsuccessful. Turn on iMessage to try again”.
When you are unable to turn on iMessage on iPhone, a popup error message will also appear. This message may say:
- Unable to contact the iMessage server.
- An error occurred during activation.
If you are having this problem, you won’t be able to send or receive iMessages on your iPhone. This is because this error prevents iMessage activation and you need to activate iMessage before using it. In general, activation is usually a very simple process. In this article, I’ll show you how to fix iMessage activation problem on iPhone after iOS 17 update.
Quick tip: Check out our guide on how to fix iMessage if it’s not working on your iPhone.
How to fix iMessage Activation Unsuccessful error in iOS 17
1. Make sure that you’re connected to the internet
You can’t activate iMessage if your iPhone can’t reach the activation servers. To check if your iPhone is connected to the internet, open Safari and visit GeeksPit.com. If our website doesn’t load, you’ve found the culprit. Here’s what to do:
- Turn on Airplane Mode, wait 10 seconds, and then turn it off (Settings > Airplane Mode)
- If you are using a VPN service, disable it and try again (Settings > VPN)
- Restart your iPhone (Settings > General > Shut Down)
- Restart your Wi-Fi modem/router by unplugging it from the power outlet and then plugging it in again.
- And if your issue persists, you may want to reset your iPhone’s network settings. Please note that when you reset your network settings, your Wi-Fi, Bluetooth or cellular settings will be erased. For example, your Wi-Fi passwords will be deleted. Go to Settings > General > Transfer or Reset iPhone > Reset and then tap Reset Network Settings.
2. Check that your time and date are correct
If the time and date on your iPhone are incorrect, it can mess with your connection to Apple’s servers. Please ensure that the date and time settings on iPhone are set correctly for your time zone. Here’s how to check:
- Launch the Settings app and tap General.
- Tap Date & Time.
- If Date & Time are incorrect, change them.
- Also, make sure that the Set Automatically button is toggled on. If it’s not, swipe it to the right and restart your iPhone.
Once the iPhone restarts, check iMessage.
3. Update your iPhone
Make sure your iPhone is running the latest version of iOs. Here’s how to check:
- Launch the Settings app and tap General.
- Tap Software Update.
- If an update is available, tap Update Now unfollowed the on screen instructions.
4. Turn iMessage Off, Reboot, And Then Back On
If you are still having this problem, turn off iMessage, restart your iPhone and then turn iMessage on again. Here is how:
- Launchthe the Settings app and tap Messages.
- Tap the button next to iMessage to turn iMessage off.
- Once I message a standoff, restart your iPhone.
- Now go back to Settings > Messages, and turn iMessage back on.
5. Sign out and back into your Apple ID
iMessage is connected to your Apple ID account; this account is used to access iCloud and other Apple services that require ID. Refreshing your iPhone’s Apple ID might fix the issue.
- Launch the Settings app and tap your name at the top of the page.
- Scroll to the bottom of the page and tap Sign Out. You might have to enter your password to fully log out.
- Once you’re signed out, restart your iPhone.
- When it starts back up, return to the Settings app and sign back into your Apple ID.
6. Check Apple’s server status page
When iMessage "activate," what it’s really doing is contacting Apple’s servers to see if you’re using a legitimate Apple ID. So if Apple’s servers aren’t working, your apps can’t activate. You can find out if iMessage servers are down. Here is how:
- Launch Safari and visit Apple’s System Status page.
- Locate iMessage in the list of services.
- If you see a green circle next to it, iMessage servers are up and running.
- If the dot is yellow or red instead, the iMessage servers are having issues. If that’s the case, just wait for Apple to repair the servers.
7. Factory reset your iPhone
Now that you’ve ensured all the most basic settings are properly configured, if iMessage still isn’t turning on, try resetting your iPhone. This can flush out any corrupted data, crashed apps and other digital debris. For information on how to reset your iPhone and make sure you don’t lose any important data, check out our article on factory resetting your iPhone.
8. Contact your carrier
If you have tried all the steps above and you’re still getting an error message saying “Activation unsuccessful. Turn on iMessage to try again”, it could be that iMessage is failing to send that important activation SMS. Contact your carrier and make sure you’re able to send and receive SMS messages.
Once you’re able to send and receive SMS messages, you might get a pop-up that says "Your carrier may charge for SMS messages used to activate FaceTime and iMessage."
If so, tap OK.
Now wait and see if the iMessage will activate on your iPhone.
9. Contact Apple Support
If none of those troubleshooting steps solved the problem, you should reach out to Apple support for further help.
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