Joke Collection Website - Blessing messages - How does Huawei mate7 transfer the phone number to the card?

How does Huawei mate7 transfer the phone number to the card?

The operation steps are as follows:

1. Click "Address Book" on the phone desktop.

2. Click the "More" button.

3. Select Import/Export.

4. Select the mobile phone card to which you want to import contacts.

User identity module (subscriber? Identity? Module (SIM), commonly known as "SIM card", is a smart card, which is mainly used to store user identity data, short message data and telephone numbers.

Digital mobile phone customer information, encryption key and user phone book are stored on the computer chip, which can be used to authenticate the identity of GSM network customers and encrypt the voice information when customers talk.