Didn't you receive the short message of dual card and dual standby?

If it's an official SMS from an operator, a bank or a group purchase, please try to resend it, check the status of your sim card, and restart your mobile phone to receive it again later. If it is a verification code, it is suggested to try sending and receiving again in another location to rule out whether it is caused by network reasons. Change other time periods to receive again.

If some verification codes or short messages are not received, other ordinary short messages can be received normally. Perhaps some interception services are turned on and blocked by security software, and the interception can be cancelled. If you don't receive all the text messages, your mobile phone may be full. Clean up the storage.

Check whether the mailbox is full, if so, please delete some information; If you still can't get it after deleting it, I suggest you change the machine or card to see if it is caused by hardware; Check whether it is intercepted by mobile phone interception software; Check whether the cell phone signal is normal and try to test whether it can be received elsewhere.

Brand model: iPhone 12 System: iOS 1 1 Apple Dual Card The other card can't receive SMS, which may be caused by the fact that this number is not enabled on the mobile phone.