[6 Ways] How to Fix Com.Apple.Mobile Phone Error 1035

The appearance of the 'com.apple.mobilephone error 1035' error message on your screen can cause errors with saving voicemail greetings. If you've encountered this problem and are seeking a solution, this article will provide the necessary guidance to solve the issue.

What is com.apple.mobilephone error 1035?

The error often arises when attempting to update or set up a voicemail greeting. This error signifies issues within the voicemail setup, resulting in an inability to function properly.

Now you can keep on reading to find reasons and solutions of this issue. To fix more voicemail issues, go to this “iPhone Visual Voicemail Not Working: 7 Ways to Fix” page.

Why does com.apple.mobilephone error 1035 occur?

This issue might be caused by some of the following reasons.

• Cellular service issues like carrier maintenance or incorrectly placed SIM cards can disrupt cellular data and voicemail functionality.

• You may use Wi-Fi instead of cellular data. Visual voicemail only relies on cellular data.

• Some incorrect configurations within voicemail setup.

• The iOS system running on your iPhone is outdated.

How to fix error com apple mobilephone error 1035

Now you can use these 6 ways below to fix the issue.

Solution 1. Force restart iPhone

Many iPhone issues can besolved by force restarting the phone. You can choose different methods of restarting based on your specific phone model.

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 2. Enable and disable Airplane Mode

If you've confirmed you're using cellular data instead of Wi-Fi, toggling the airplane mode on and off might help. This action prompts your iPhone to search for a better signal, potentially addressing issues related to cellular data.

You can go to the Control Center and tap the Airplane Mode icon to turn on it. Or access Settings on iPhone > Choose Airplane Mode > Tap the option to enable it. After 30 seconds, do the same actions to turn off it.

Solution 3. Reset your Voicemail

If you're still encountering the issue, consider resetting it. Access the voicemail settings by long-pressing the number 1 on the Phone app's Keypad interface. Re-enter your voicemail password and set it up anew. Then, power off and restart your device to check if the error persists.

Solution 4. Reset Network Settings

It's possible that network settings on your iPhone are causing the persistent error message during voicemail setup. Some users have reported success by resetting their network settings, solving the issue and restoring access to voicemail. 

You can navigate to Settings, select General, then tap Transfer or Reset iPhone > Choose Reset, followed by Reset Network Settings to make it. You'll need to enter your password to confirm the network reset.

Solution 5. Update iOS system

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

If your iPhone is unable to check for update, you can use the professional iOS system repair software - FoneTool to help you easily upgrade the device in 3 steps.

Step 1. Connect your iPhone to the computer > Launch FoneTool > Go to Toolbox > Choose iOS System Repair to continue.

Step 2. Choose iOS Upgrade/Downgrade.

Step 3. Go to the Upgrade section > Click Start.

Step 4. Choose the firmware version you need > Change the storage path from the Target Path option > Click Download to get the firmware.

Step 5. Once the download process is finished, just click Start Upgrade to begin the task.

Solution 6. Factory reset iPhone without data loss

If all ways above cut no ice, then you may need to factory reset your iPhone to fix the issue. It’s important to note that this action will wipe all data on iPhone. But don’t worry, FoneTool is also an all-in-one iPhone data management app, it can help you complete the process without losing data efficiently.

Back up iPhone

With FoneTool’s super-fast backup speed, you can fully or selectively back up iPhone in a very short time. And all transfer processes only rely on a USB connection, so all your data can be protected in an absolutely secure environment.

Just come and download FoneTool on your Windows PC and explore how to back up your iPhone with this easy-to-use tool.

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.

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 My Backups and click the Restore dot to restore your iPhone backup.

Conclusion

If you encounter the com.apple.mobilephone error 1035 on iPhone 16/15 or other iPhone models, find solutions in this passage to fix it. And the handy FoneTool can help you speed up the fix process.