What is Tianyi UIM card (remote writing card white card) used for? UIM cards can be swiped on the Internet. How?

Telecom white card is a card that can write its own number and needs to be activated by itself.

You can edit the short message "smdj# name # ID number # mobile phone number to be activated # address information contained in ID card" by using activated mobile phones in other countries in China, and send it to 1000 1 to upload the user's real identity information for self-registration.

1. The paid mobile phone number does not need user activation, and can be used after the application is completed.

2. Prepaid mobile phone number activation: First, please ask the customer to register the real-name registration system information. After the registration is successful, please insert the smart card into the mobile phone, dial the charge deduction phone (which must be connected and generate the charge), send the charge SMS or use the mobile phone to generate the charge online record activation.

If the words "Enter PIN" are displayed after the smart card is inserted into the mobile phone, please enter your PIN code (initial code is 1234), and the mobile phone will automatically find and enter the China telecom network.

Extended data:

classify

The information stored in the UIM card of CDMA system can be divided into three categories:

One is user identity information and authentication information, mainly IMSI number and proprietary authentication information of CDMA system, including A-Key, SSD-A and SSD-B. ..

The second category is service information. In CDMA system, there is not much business-related information stored in HLR and UIM card, mainly including short message status and other information.

The third category is the information related to the work of the mobile station, including the preferred system and frequency band, home zone identification (SID, NID group) and other parameters. In addition to the above information to ensure the normal operation of the system, users can also store their own information in UIM cards, such as phone books.

References:

Baidu encyclopedia -UIM card