Galaxy note 8 issue( sim not working. And also audio)

[banna96]

After the last update .my sim card does not recognizing (some times ) and now my total audio of my phone is gone .the phone is too slow now 

 (System ui isn't responding )

any other having this problem ?

[cs-member13]

Dear Samsung Member,

Greetings from Samsung Customer Support!

We would request you to register your concern in Samsung Members Application. So, that our concern team gets back to you as soon as possible.

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

Note. please attach the error log file within 15 minutes of the error occurred.

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Warm Regards,
Samsung Customer Support