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Original topic:

My phone won't recognize my Sim anymore and can't make or receive phone calls

(Topic created: 10-17-2021 03:26 PM)
Delano0033
Constellation
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Galaxy S21

I can't receive or make phone calls. I've done all the troubleshooting scenarios 

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userBJD2SfEf0C
Constellation
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Galaxy S21
Had the problem with the Note before. It maybe the internal connections are not fully connected, this may have been to accidental/incidental drop on ground (plausible cause). I returned and got another set, without altering price due to warranty and insurance.
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Who_Dis
Neutron Star
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Galaxy S21

open a separate post buddy... please don't mix issues on single post.

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Who_Dis
Neutron Star
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Galaxy S21

To the OP.

It is possible the SIM is dead, check by looking for 4G LTE or 5G icon at the top. Is the cellular signal bar showing? are you able to browse web using cellular network? Have you tried re-seating the SIM?

If the answer is yes, then the issue is likely something the carrier will have to look into furthur. Contact your carrier to see if the issue is known to them and whether there is a fix already or not. 

If they fail to help you out, then submit error report to Samsung Members after reproducing the issue. 

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SamsungAdam
Samsung Moderator
Samsung Moderator
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Galaxy S21

Thank you for that information. Have you tried resetting your network settings? Please know this will delete any saved Bluetooth and Wi-fi connections on your S21.

Here are the steps for that:

  1. From a Home screen, swipe up or down from the center of the display to access the apps screen. 
  2. Navigate: Settings 
     
     > General management > Reset.
  3. Tap Reset network settings.
  4. Review the info then tap Reset settings If presented, enter the current PIN, password or pattern.
  5. To confirm, review the info then tap Reset.

If you have tried resetting network connections the next step would be to try a different sim just to be sure it's not the sim card itself. You can reach out to your carrier and explain the situation, to see if they can provide an alternative sim card to make sure this isn't the issue.

If none of these resolve the issues, A Technician will need to evaluate the phone, and repairs take place. 

Please feel free to reach out to us directly via one of the following options and include a link to this thread.

 

1. Facebook Messenger: http://m.me/samsungsupport

2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513

3. Or you can use the following link below to request service. https://www.samsung.com/us/support/service/

4. UbreakIfix which is a Samsung Authorized walk-in service center: https://www.samsung.com/us/support/ubreakifix

5. Private message: http://bit.ly/2JH2rq2


Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.





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SamsungJace
Honored Contributor
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Galaxy S21

Hi there, I would recommend reaching out to your carrier in regards to this. They would be able to issue you a new sim card and get you sorted out.


Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.





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Delano0033
Constellation
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Galaxy S21
Already tried three different sim cards
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