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Samsung S21 5g will.not recognize Sim card is inserted
jmoney8482
Member

Why does my S21 5g not recognizing my sim card is inserted?? I cannot turn on mobile data it thinks there is no Sim card

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Re: Samsung S21 5g will.not recognize Sim card is inserted
Doggo
Novice

Sim is either inserted incorrectly or it could be defective.

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Re: Samsung S21 5g will.not recognize Sim card is inserted
vzw_customer_support
Customer Support

We always want your phone to work properly. We'd like to see what's going on. Let's get to the bottom of this. Please send us a Private Note for assistance.

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Re: Samsung S21 5g will.not recognize Sim card is inserted
jmoney8482
Member

Unfortunately the sim card works perfectly fine in another device, is it possible that there us something internal that is the problem?

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Re: Samsung S21 5g will.not recognize Sim card is inserted
Jell_Lee
Member

it's possible. You could take it to the VZW store and ask for another SIM to test with... or take it to UBreakIFix for diagnostics.

Another option is to submit an error report to Samsung Members app after attempting to reseat the SIM and get connections 

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