iPhone 15/14/13/12 Visual Voicemail Not Working: 7 Ways to Fix

Why iPhone visual voicemail not working?

The Voicemail Transcription feature makes it easy to read voicemail transcripts, providing a convenient way to access messages when you can't listen to them. However, some users have encountered issues with visual voicemail not working on iPhone 12/13/14/15. And this error may be caused by various reasons.

⛔ Unstable internet connection.
⛔ Some carriers may not support the feature, you might need to activate it through your carrier.
⛔ An outdated iOS version is running on your iPhone.
⛔ The feature may not be activated after you switched carriers or got a new SIM card.
⛔ Some issues with the voicemail app or iOS software exist on your iPhone.

How to fix iPhone 15/14/13/12 visual voicemail not working

Now that you know the reasons why Visual Voicemail isn't working properly, if you haven’t set up your new SIM card, you can contact your carrier to ask for assistance. If the issue on your iPhone is caused by other reasons, then you can continue reading to find suitable solutions.

Solution 1. Check network connection

It's essential to ensure that your network connection is stable. Poor network connectivity can interfere with the proper functioning of visual voicemail. You can switch to a better network to solve the problem or reset all network settings on iPhone to fix it efficiently.

You can go to Settings > General > Choose Reset > Reset Network Settings to make it. And this action will reset Wi-Fi networks, cellular settings, and APN settings that you’ve used before.

Solution 2. Enable Cellular Data on iPhone

Many iPhone users recommend enabling Mobile Data as a way to prevent the iPhone visual voicemail not working issues. To do this, follow these simple steps: Open the Settings app > Select the Cellular option > Toggle on the Cellular Data Switch.

This should ensure that your visual voicemail functions properly by maintaining a reliable data connection.

Solution 3. Enable Airplane Mode

You can also try to toggle on Airplane Mode to refresh your network connection.

Just go to the Control Center by either swiping down from the top-right corner of the screen (on iPhone with Face ID) or swiping up from the bottom edge of any screen (on iPhone with Touch ID) and tapping the Airplane Mode icon to turn on it. Or access Settings on iPhone > Choose Airplane Mode > Tap the option to enable it.

Solution 4. Install pending carrier updates if any

Keeping your carrier settings up-to-date is crucial to ensure that your iPhone's visual voicemail functions correctly: Connect your iPhone to a Wi-Fi or a cellular network > Go to Settings app > Choose General > About > If there is any available update, you'll receive a prompt to update your carrier settings.

Then you can follow the on-screen instructions to complete the update.

Solution 5. Restart your iPhone

If there are some temporary bugs within your voicemail app or iOS system, you can choose to restart your iPhone to fix the visual voicemail not working on iPhone issue.

For iPhone 8 Plus/8/X or later: Press and release the Volume Up button > Press and release the Volume Down button > Press and hold the side button until the Apple logo appears on the screen.

For iPhone 7 Plus or 7: Press and hold the Sleep/Wake and Volume Down buttons simultaneously until the Apple logo appears on your screen.

For iPhone 6 or earlier: Press and hold the Home button and Sleep/Wake button at the same time until the Apple logo is displayed on your screen.

Solution 6. Update software

You also need to check whether your iOS system is out of date. If it is, you’d better go to Settings > General > Choose Software Update and click Download and Install to update it.

Solution 7. Reset your iPhone to factory settings without any data loss for free

If you've tried all the previous troubleshooting methods and your iPhone's visual voicemail is still not working, you may need to consider resetting your device. However, it's essential to be aware that this action will erase all data on your iPhone, so it's crucial to back up your data before proceeding.

Using specialized software like FoneTool can simplify the data backup and restore process, making it more efficient and secure.

With this app, you can fully or selectively back up your iPhone data at super-fast transfer speeds. Additionally, FoneTool offers the capability to erase private data, such as photos, videos, Safari history, messages, and more. You can also use Deep Erase Technology to permanently wipe your data, ensuring it cannot be recovered anymore.

Now you can fully back up your iPhone before the process, and if you don’t need to make a full backup, you can skip to Part 2 to wipe your iPhone directly.

Part 1. Fully backup iPhone before the erasing

Step 1. Launch FoneTool on your Windows PC > Connect your iPhone to the PC with a USB cable > Go to Phone Backup > Full Backup > Click Get Started.

Step 2. Check Enable Backup Encryption if you need > Choose a storage path to store your backup on the PC > Click Start Backup to begin the task.

Part 2. Factory reset iPhone

Step 1. Select Toolbox, then click Data Eraser.   

Step 2. Tap on Erase all data and choose Get Started.

Step 3. View and check the guidance on the screen > Tap the Erase Data button to confirm the choice.

Then the issue might be fixed, and you can go to Backup History and click the Restore dot to restore your iPhone backup.

Conclusion

From this passage, you can know how to fix the iPhone visual voicemail not working issue. These 7 ways can help you solve the problem efficiently. If all ways cut no ice, you can use FoneTool to factory reset your iPhone for free without any data loss.