How am I getting Apple's call assistance if my iPhone doesn't recognize my SIM card?

Bechess wrote:

How they r Gonna call me If the Phone can t read my sim and i can t receive Messages,Phone calls,or connecting to mobile data?

If you arranged for Apple Support to call you, you need to give them a working number to call.

If your SIM isn't working, you need to contact your carrier for help. Apple has nothing to do with SIM issues.