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Original topic:

There is a SIM card inside but my phone doesn't connect network. My SIM card is working on other phones. I did factory reset, N

(Topic created on: 22-07-2021 05:27 PM)
Alisher Buyuk
Apprentice
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Galaxy S10 Series

Screenshot_20210723-002106_One UI Home.jpg

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9 REPLIES 9
Pugs1957
Superuser I
Superuser I
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Galaxy S10 Series
Who is your carrier?
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Alisher Buyuk
Apprentice
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Galaxy S10 Series

I use KT provider.  Phone model Galaxy S10 5G

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Pugs1957
Superuser I
Superuser I
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Galaxy S10 Series

It's possibly a card reader problem so needs to be examined and repaired professionally.

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Mitzzz999
Hotshot
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Galaxy S10 Series
If your phone was 2nd hand you may also just want to double check that your imei serial number isn't blacklisted too.
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Alisher Buyuk
Apprentice
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Galaxy S10 Series

Maybe I will change Simcard tray (holder) to fix that problem. I will try

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Alisher Buyuk
Apprentice
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Galaxy S10 Series

How to unlock IMEI if it's in blacklist? 

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Mitzzz999
Hotshot
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Galaxy S10 Series
If your imei is blacklisted then you have no chance removing that blacklist. If your imei is blacklisted then your phone has been reported lost or stolen and is now barred from service. Only the original owner can get that bar lifted. This is all from a UK user perspective but I would imagine its similar for other countries too.

People do this to do insurance fraud.

If you purchased your phone from a reputable second hand store and have the receipt then you should be able to get a refund.
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Alisher Buyuk
Apprentice
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Galaxy S10 Series

Thanks. I bought it without boxes from second hand store maybe tmrw I will return it to the store. 

Mitzzz999
Hotshot
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Galaxy S10 Series
I'm sure you will be okay especially as you bought it from a second hand store and I'm guessing you have the receipt. The situation would have been worse if this was a private sale with a stranger who can just go off the grid completely.

Best of luck with your situation. Your carrier should be able to confirm if your imei is blacklisted too.
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