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Original topic:

No service/ Emergency calls only

(Topic created on: 16-12-2021 04:15 PM)
Adam12345678910
First Poster
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Galaxy S21 Series
Hi, I am having problems with my phone after the latest update, my phone would not read sim cards, I replaced my sim card with another one, still wouldn't read. I then tried my sim in another phone and it works fine. I switched to e sim now it reads but I can't use my data or use calls or texts which I pay £50 a month for. It is either no service or signal bars and emergency calls only no matter where I am. I have factory reset the phone TWICE. I have tried airplane mode of and on, Manually selecting network operators and it will not let me, tried different apns, tried clearing cache everything that I could find online. The s21 Is meant to be a top of the line phone. Embarrassing on Samsung behalf to say the least, whenever I can I'm switching away from Samsung and never going back.
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4 REPLIES 4
TessM
Moderator
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Galaxy S21 Series

Hi @Adam12345678910 ,

 

that is definetely not the behaviour expected from the S21 series phones and their updates. Have you tried to run a Harware test on the phone to check if there is any issue with it? You can do this from the Samsumg Members app> Get help> Under Diagnostics, select View tests> SIM card.

 

If the results display a message saying Action Required in red please do contact Support to get a repair arranged. You can find all their contact details HERE. 

Adam12345678910
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Galaxy S21 Series
I ran diagnostic on everything and everything is fine.
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AndrewL
Moderator
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Galaxy S21 Series

@Adam12345678910: I'm sorry to hear that your issue has persisted. If you head to Settings > Connections > SIM Card Manager, is your SIM highlighted at the top of the screen, and toggled on? If so, are your call and messages assigned to your preferred SIM? 

If you have returned the phone to it's factory settings, and not introduced any third party apps following the reset, then I recommend reaching out to our Help Desk to arrange for the phone to be inspected by one of our engineers. I understand that this isn't ideal, and apologise for any inconvenience this might cause you.

https://www.samsung.com/uk/support/contact/

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Rūmøur
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Galaxy S21 Series
Motherboard is fried. Lots of people have faced this problem. Only solution was getting the motherboard replaced. For some reason updates are doing this to some phones
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