How to activate the campus card:
1. Prepare your cell phone, open the back cover, and replace the campus card.
2. If you need to cut the card, please go to a cell phone store to do so.
3. After using this card, the cell phone card will be activated.
4. All campus cards come with a few dollars of pre-loaded phone bill.
5.You can make package changes after activation.
Mobile phone sets and SIM cards*** together constitute mobile communication terminal equipment. Whether it is GSM system or CDMA system, digital mobile phone users in the "network" will be given a SIM card, SIM card is also known as a smart card or subscriber identification card, digital mobile phone must be equipped with this card can be used. The SIM card is a card that contains a large-scale integrated circuit that stores information about the digital cell phone customer, encryption keys, and other content, which can be used by the network to identify the customer's identity and encrypt the customer's voice information during the call.