Xiaomi 8 dual-card online Kaka 1, why can't Card 2 receive the verification code?

Yes, you can go to the head office and ask if this service is available and see how to provide it. There should be no setting. Generally, mobile phones are connected by Unicom and China Mobile. Generally, no matter which mobile phone number, you can receive the verification code as long as you don't stop. You can go to the head office and ask if this service is available and see how to provide it. There should be no setting. Generally, mobile phones are connected by Unicom and China Mobile. Generally, you can receive the verification code no matter which mobile phone number does not stop. You can go to the head office and ask if this service is available and how to get the verification code. You can go to the head office and ask if this service is available and how to provide it. Generally, mobile phones are Unicom and China Mobile, and you can receive the verification code no matter which mobile phone number does not stop. You can go to the head office and ask if this service is available and see how to provide it. There should be no setting. Generally, mobile phones are made by Unicom and Mobile. Generally, no matter which mobile phone number, you can receive the verification code as long as you don't stop. You can go to the head office and ask if this service is available and see how to provide it.

: If there is a card that often loses signal, it may be caused by poor contact with the SIM card. It is recommended to unplug the SIM card of the mobile phone and try again.

2: If it doesn't work, switch the positions of the two cards.

3: Then turn on the phone in flight mode, and then turn off the flight mode to see.