There will be. The secondary card can be charged, and the charge to the China Mobile secondary card can be shared with the main card.
1. SIM card
Also known as user identification card, smart card, GSM digital mobile phone must be installed this card can be used. The computer chip stores the information of digital mobile phone customers, encrypted keys and the user's phone book, which can be used to identify GSM network customers and encrypt the voice information when the customer calls.
2. SIM card capacity
SIM card capacity of 8K, 16K, 32K, 64K, 128K, among which 512k or larger capacity SIM cards are collectively referred to as STK cards.