Fix Galaxy S21 Can’t Make or Receive Calls

Galaxy S21 can’t make or receive calls? Is that the problem you’re dealing with? All of sudden the Samsung S21 won’t make phone calls then this article will help you troubleshoot the app and resume the service again. There are plenty of reasons why this is not working for you like your cellular plan is expired, there’s an issue from the network side, incorrect network settings, and much more. It’s highly difficult to troubleshoot each and every problem like this.

We’ve shortlisted this article to resolve the problem as fast as possible and in the most reliable manner. You don’t need to be a tech expert or don’t need any knowledge to fix the problem. Here’s how to fix unable to make phone calls on Samsung S21.

Fix Unable to Make Or Receive Phone Calls on Samsung Galaxy S21

Check the Signal Strength

Have you checked the signal strength? Normally it should be at least two bars to make or receive calls and use internet services without worry. You might find it hard to make or receive calls if you’re in Basement, Lift, etc.

Restart the Device

Force rebooting the app has a considerable effect on the device and firmware. If the software is crashing and causing random errors, you should first restart the Samsung S21.

Press and hold the Power button and Side button until the SAMSUNG logo appears.

Force Close Phone App

Another worth trying workaround is to force stop the Phone App that is performing irregular activities while receiving or making the calls. Doing this will completely shut down the phone app from the background.

  1. Go to the Settings app on your device.
  2. Tap on Apps.
  3. Scroll down to Phone App.
  4. Tap on Force stop.

Clear Phone App Cache

The cache is the supportive files that make the operations on the phone easy, however, it’s not always true. Besides, it’s great if you periodically clear the cache of apps.

  1. Open the Settings app.
  2. Go to Apps.
  3. Select Phone App.
  4. Tap Storage > Clear cache.
  5. And then Clear data.

Toggle Airplane Mode

While the Airplane Mode is enabled, your device disconnects from all the Wireless Connections including Cellular network, Wi-Fi, and more. All you can do is, tap on the Airplane mode or Flight mode button, and after 2-3minutes disable the Airplane Mode. Also, it can be done from the Settings > Connections > Airplane mode.

Reset Settings

Most of the time, resetting settings on the device fixes many problems that can’t be identified. It won’t delete the personal data, but the customized settings will be reset to default.

  1. Navigate to the Settings app.
  2. Tap General management.
  3. Tap Reset.
  4. Again select Reset.

Remove and Reinsert the SIM

If your SIM is damaged or corrupted, then Samsung S21 can’t make or receive calls without interruptions. Remove the SIM Tray using the SIM ejector pin and clean the SIM along with Tray and reinsert it.

Make Sure Do Not Disturb Mode is Disabled

Galaxy S21+ Can make calls but can’t receive them? The Do Not Disturb mode comes in handy when you don’t want to entertain calls, notifications, and messages in private time, however, if you’ve enabled the DND mode and forget to disable it, it could be the reason why Samsung S21Ultra can’t receive calls.

  1. Swipe down the notifications bar.
  2. Locate the Do not disturb button and make sure it is disabled.
  3. Alternatively, you can search Do not disturb mode in the Settings app and disable it.

Happening with specific contact? Then Check Blocklist

Samsung can’t make or receive calls to a specific contact? If that’s happening with you, run towards the Block List in the Phone App, if the contact is added into the block list, remove it and then try calling that number.

  1. Open the Phone
  2. Tap on the More menu (three dots) on the top-right screen.
  3. Select Settings.
  4. Tap Block number.
  5. Remove the number from the block list.

Verify Call Forwarding is Disabled

Of course, when call forwarding is enabled, the calls won’t receive to you, instead, they will be forward to the number that is added in Call Forwarded settings. Make sure the call forwarding is turned off.

  1. Open Phone app.
  2. Select the More menu (three-dots) button.
  3. Select Settings.
  4. Go to Supplementary services.
  5. Tap Call forwarding.
  6. Tap Always forward.
  7. Select Turn Off.

Get Support from Your Carrier

Still didn’t get any positive response from the above tricks? No worries, make a call using another phone to your carrier or chat on their website, elaborate on the issue and let them take appropriate action and get this fixed.

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