[9 Methods]How to Fix Voicemail com.apple.mobilephone error 1035 on iPhone？

User Concern

“I'm trying to set up my daughter's voicemail on her new iPhone. I keep getting an error message that says 'com.apple.mobilephone error 1035'. Can anyone help me figure out why this isn't working. I've check with my carrier and there is no issues on their end.”

Many iPhone users have reported the "com.apple.mobilephone error 1035" on forums and Apple Support pages, especially after iOS 17 and iOS 18 updates. This is a common visual voicemail issue that many iPhone users experience, which prevents them from saving voicemail greetings.

If you are dealing with the error 1035 and unsure about its causes or how to fix it, this guide offers easy and effective fixes to resolve com.apple.moblephone error 1035 on iPhone. Keep reading to learn more.

What Does "com.apple.mobilephone error 1035" Mean?

If you're already familiar with this error and its main causes, feel free to skip ahead to part 3 for the solutions. However, if this is your first time encountering the error and you're unsure what it means, it's important to understand visual voicemail and why this error occurs.

What is Visual Voicemail?

Visual Voicemail is a feature that allows you to view, listen to, and manage your voicemail messages directly from a list on your iPhone, without having to call your voicemail service. You can see who left a message, when it was sent, and choose which ones to listen to or delete.

What is "com.apple.mobilephone error 1035"?

The "com.apple.mobilephone error 1035" is a voicemail-related error that typically occurs when you're trying to set up or update your voicemail greeting on an iPhone. It is often linked to issues with the network connection, specifically when the phone is using Wi-Fi instead of cellular data. This error can also be caused by problems with your visual voicemail settings, preventing you from saving or accessing your voicemail messages.

What Causes "com.apple.mobilephone error 1035"?

You might encounter the error message “operation couldn’t be completed com.apple.mobilephone error 1035” on your iPhone for several reasons. Some of the most common causes include:

• Internet Connection Problem - You may see this error if you’re trying to access voicemail using a Wi-Fi connection. Switching to cellular data by turning off Wi-Fi can resolve the issue.
• Glitch in Cellular Service - Sometimes, temporary glitches can disrupt your connection with your carrier, making it impossible to access your voicemail.
• Network Settings Glitch – If your device's network settings are corrupted or misconfigured, it can also lead to voicemail problems.
• Voicemail Not Set Up – If your voicemail isn’t set up, you won’t be able to access messages. You’ll need to set up voicemail, ideally through your carrier if it can’t be done in your phone settings.

How to Fix "com.apple.mobilephone error 1035" on iPhone?

Now that you understand the reasons behind the voicemail com.apple.mobilephone error 1035 on iPhone, here are some fixes you can try to resolve it.

1. Enable The Airplane Mode

It’s possible that your iPhone is having some connectivity problems that might be preventing you from accessing your voicemail. Another easy way to solve this is to turn on Airplane mode. Airplane Mode resets all radios, helping re-establish fresh connections with your carrier.

To do that:

• From your iPhone’s main screen, swipe down the notification bar to get to the Control Center.
• Locate the Airplane Mode icon and tap it to turn it ON.
• Wait for at least a minute, and tap the Airplane mode icon again to turn it OFF.

2. Enable Live or Visual Voicemail

Some users have reported that enabling Live or Visual Voicemail can help to resolve the error 1035 on iPhone. Please note that access to these features may vary based on your carrier or phone plan.

• Open the Settings app and tap on Phone.
• Look for Live Voicemail or Visual Voicemail near the bottom of the menu.
• If it’s not already enabled, turn on Live or Visual Voicemail.

3. Disable Wi-Fi Calling On iPhone

It’s possible that you’re seeing the com.apple.mobilephone error 1035 voicemail error message because you’ve turned on Wi-Fi calling on your iPhone. If it’s so, then turn it off and try using voicemail once more to check if the error is gone.

• To turn off Wi-Fi calling, open Settings and tap the Phone option.
• Now, tap on Wi-Fi calling and then tap the toggle next to the Wi-Fi Calling on This iPhone option to disable it.

Once you do this, try to use voicemail again and see if it works.

4. Ensure Your Voicemail Is Set Up

You won't be able to access your voicemail if you haven't set it up on your iPhone. So, if the previous methods don't work, it's a good idea to set up your voicemail. Make sure your network offers a voicemail service compatible with your iPhone and that your subscription plan includes voicemail.

Follow these steps to set up the voicemail through your carrier.

• Open the Phone app on your iPhone, then press and hold the 1 button.
• Release the button when the Voicemail setup begins (it will go through as a call).
• Follow the on-screen instructions to complete the voicemail setup.

5. Change Network Connection

The error is most likely caused by your Wi-Fi connection, which might prevent you from setting up your voicemail greeting. Many users have fixed this issue by turning off Wi-Fi and using cellular data instead, as it usually works better with voicemail.

To switch from Wi-Fi to Cellular data, follow these steps:

• Open Settings, tap on the Wi-Fi option and simply toggle the switch OFF.
• Go back to Settings again and tap on the Cellular/Mobile data option.
• On the next page, tap the toggle next to the Cellular Data option to turn it ON.

If the error is still there, keep the cellular data on and try the next method.

6. Reboot Your iPhone

Restarting your iPhone is a simple but effective way to fix temporary glitches that may be interfering with features like Visual Voicemail. If you're seeing the "com.apple.mobilephone error 1035" message, rebooting your device might resolve the issue

For iPhone X, 11, 12, 13, 14, 15 and later (Face ID models):

• Press and hold the Side button and either the Volume Up or Volume Down button until the power-off slider appears.
• Drag the slider to turn off the device.
• Wait 30 seconds, then press and hold the Side button again until you see the Apple logo.

For iPhone SE (2nd and 3rd gen), iPhone 8, 7, or 6 (with Home button):

• Press and hold the Side (or Top) button until the power-off slider appears.
• Slide to turn off the iPhone.
• After about 30 seconds, press and hold the same button again until the Apple logo appears.

Once the phone is off, press the side/top button again for a few seconds until the Apple logo appears. If your iPhone won’t shut down normally, you can perform a force restart.

7. Reset Network Settings

The error you're seeing when trying to access voicemail could be caused by your iPhone's network settings. You can try resetting your network settings to fix the issue. This will refresh all the network information on your device. Here’s how to reset your network settings:

• Open the Settings app on your iPhone and go to General.
• Choose Transfer or Reset iPhone and then tap Reset.
• From the menu, choose Reset Network Settings and enter your passcode when prompted.

8. Update iOS Version

If you are unable to set up the voicemail greeting on your iPhone, you should check if your device is running the latest version of iOS. Updating iOS can easily resolve the com.apple.mobilephone error 1035.

If you have already updated your device to iOS 18, you may want to check if there are other versions of the update released to fix bugs. To check if you have the latest version, go to Settings > General > Software Update.

9. Fix iPhone System Issue

If the methods above don’t resolve your issue, we recommend trying third-party iOS system repair tool. One such reliable program is FoneGeek iOS System Recovery. This tool can effectively fix all your iOS system-related problems, without causing data loss. It features a user-friendly interface, making it easy to use even without technical knowledge. Plus, it works well with all iPhone models and iOS versions, even the newest iPhone 16 and iOS 18.

• Download and install FoneGeek iOS System Recovery on your computer, then select Standard Mode.
• Connect your iPhone to the computer. Once your device is detected, click Download to get the firmware package.
• After the firmware is downloaded, click Fix Now to begin the fixing process. Please wait patiently while it works.

Once complete, your iPhone will restart successfully. Check to see if the 'com.apple.mobilephone error 1035' message is gone.

FAQs About "com.apple.mobilephone error 1035"

Q1. What should I do if I keep seeing the error even after troubleshooting?

At this point, it may be a good idea to contact Apple Support for more assistance or visit an Authorized Apple Store. Apple technicians will be able to get to the bottom of the issue and find solutions.

Q2. Can I prevent "com. apple.mobilephone error 1035"?

Although you can't prevent errors like this one, keeping your device's software updated can help. It's also wise to avoid downloading apps from untrusted sources and to restart your device regularly to maintain its performance.

Q3. Can I still receive voicemails if error 1035 appears on my iPhone?

While you may still receive traditional voicemails by calling your carrier’s voicemail number, the error usually prevents Visual Voicemail from working. This means you won’t be able to manage voicemails through the iPhone’s Voicemail tab until the issue is resolved.

Q4. Is there a difference between error 1035 and other iPhone voicemail errors like 9999 or 1037?

Yes. Error 1035 typically refers to a failure in saving voicemail greetings or accessing Visual Voicemail due to network or carrier conflicts. Other codes, like 9999 or 1037, may relate to different voicemail protocols, server outages, or account-related blocks.

Q5. Should I contact Apple or my carrier to fix error 1035?

Start with your carrier. Since Visual Voicemail is a carrier-provided feature, most configuration problems lie on their side. However, if all settings are confirmed and the problem persists across devices, contacting Apple Support can help diagnose potential iOS-level bugs.

Conclusion

Don’t worry if you encounter the com.apple.mobilephone error 1035 on your iPhone; it’s a simple issue to fix. Just follow the solutions we’ve outlined above, and you should be able to resolve the error.

If these methods don’t work, we recommend trying FoneGeek iOS System Recovery. This powerful tool can fix any iOS system issue and update your device to the latest version, quickly resolving the voicemail error 1035.