Apple Watch Call Failed Error: Can’t Make or Receive Calls

Last Updated on May 5, 2021

Many users have reported Apple Watch Call Failed error on Cellular and GPS Model, and they can’t make or receive the calls on Apple Watch [Suddenly or After WachOS Update]. This article will show you complete solutions to fix the Call-related issues on Apple Watch and iPhone. However, it’s too difficult to rectify the problems like this, finding a correct solution, and get them resolved. To shortlist the solutions, we’ve mentioned the troubleshooting tips that would work and address the Apple Watch call failed error.

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If you think that it can be Carrier related issue, then it’s better to reach to Carrier or make a phone call and describe the issue properly. And in another case, follow the solutions listed below.

Fix Apple Watch Call Not Working: Any WatchOS

1. Restart the Apple Watch, iPhone

Start troubleshooting the Apple Watch by restarting the paired iPhone and Watch.

To Restart Apple Watch,

  • Press and hold the Side-Power button and drag the Power Off slider.
  • Likewise, press the Power button and turn on the Apple Watch.

To Restart iPhone,

  • For iPhone with Face ID, press and quickly release the Volume Up button, press and quickly release the Volume Down button, and lastly, press and hold the Side button until the Apple logo displays.
  • For iPhone 7/7Plus, press and hold the Volume Down and Side button until the Apple logo appears.
  • For iPhone 6S, 6SPlus, or earlier, press and hold the Home button and Sleep/Wake button and release when the Apple logo shows up.

2. Force Restart Apple Watch

If the simple restart doesn’t work with the Watch, you should try force rebooting the Apple Watch. It can be called Reset, but it won’t delete any data on Apple Watch. Just refresh the firmware.

way to Force Restart Apple Watch without iPhone
how to force restart Apple watch without iPhone
  • Press and hold the Power button and Digital Crown button and release when the Apple logo appears.

3. Update Apple Watch and iPhone

Another worth looking this is the Apple Watch, and the iPhone must be up to date. Often, an outdated firmware causes such issues, and a quick update is a universal solution for them. Software and Carrier Updates are both important. Here’s how to do it.

To Update iPhone,

  1. Go to the Settings app on your paired iPhone.
  2. Tap on General.
  3. Select Software Update.

To Update Carrier Settings,

  1. Open the Settings app on iPhone.
  2. Tap on General.
  3. Scroll down to About and tap on it.
  4. When the prompt asks you to download the Carrier Updates, download it.

To Update Apple Watch,

  1. On your iPhone, open the Watch app.
  2. Tap on My Watch tab.
  3. Select General > Software Update.

4. Allow Calls on Other Devices

If you’re facing trouble with Wi-Fi calling, then follow this steps on iPhone.

  1. Go to the Settings app on iPhone.
  2. Tap Cellular.
  3. Select Calls on Other Devices and enable Allow Calls on Other Devices.
  4. This will let other devices that are signed in with the same Apple ID make and receive calls when connected to the same Wi-Fi and, of course, nearby to your iPhone.

5. Determine Few Settings

Ensure Airplane Mode is disabled, open the Settings app on iPhone > tap Airplane Mode and disable it. Alternatively, on Apple Watch, bring the Control Center and disable it.

Check Blocked List, go to Settings app > tap Phone App > Blocked Contacts and make sure the person who you’re trying to call is not present in the blocked list.

Check Carrier Settings on Apple Watch. If you’re using Cellular Data on Apple Watch, then make sure they are correctly set. It can be done from the Watch App on iPhone > My Watch and Cellular.

6. Reinsert SIM Card

Over time the dust and dirt could jammed up the SIM card, and it is better to remove, clean up the SIM and SIM Tray and re-insert it.

  1. Use the SIM Eject pin to remove the SIM Tray.
  2. Clean the SIM and SIM Tray using soft cloth.
  3. Reinsert it properly.
  4. And lastly restart the iPhone.

7. Reset Network Settings

This problem might be fixed by resetting network settings on iPhone. It will delete all the saved Wi-Fi passwords, APN, VPN, saved Bluetooth devices, etc.

  1. Navigate to the Settings app on iPhone.
  2. Choose General.
  3. Tap Reset.
  4. Select Reset Network Settings.
  5. Enter the iPhone passcode to proceed.
  6. And lastly, tap Reset Network Settings.

8. Unpair and Pair the Apple Watch

Last but not least, all you can do is reset the Apple Watch. Keep the iPhone and Apple Watch closer while performing a reset. The iPhone will backup the Apple Watch.

  1. Go to the Watch App on your iPhone.
  2. Tap on the My Watch tab.
  3. Select the Apple Watch.
  4. Tap on the (i) icon and unpair the Apple Watch.

If you don’t have an iPhone nearby, then reset the Apple Watch from the Settings app. Open the Settings app on Apple Watch > General > Reset > Erase All Content and Settings.

9. Contact Apple Support

None of the solutions works for you, then make a Genius Bar Appointment and take assistance from Apple Tech Support. They will examine the Apple Watch for issues and get it fixed.

Comment me in below comment box for more help!

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [email protected] [OR] [email protected]

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