sim card not detecting

[Samsung_DEV]

Sim Card not detected.
IMEI Unknown
Base Band version Unknown
Mobile Network's option disappeared
Unable to login Samsung members
Unable to connect Samsung services
"Unable to connect server" over wifi And after contact samsung service center they told need to replace mother board its company software problem why should i bare mother board has u maention the software upadte and all these issue r hapen bcs of this update .better u solve this problem 

[veer]

which model you used

[Š]

Note 8?
Solution is available in notice section.

[Anuj1996]

I hope these steps will solve your problem and if does then don't forget to accept solution so as to help others too.

Thank you.

[cs_member9]

Dear Samsung Member,

Greetings from Samsung Customer Support!

Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback > Error report/Ask questions).

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Warm Regards,
Samsung Customer Support