What are the services of mobile primary card and secondary card respectively?

The main card and the auxiliary card have two general meanings:

One is that a number is divided into two cards, but the secondary card can only be used for data services such as internet access, and SMS and telephone can not be used.

One is in a package, there are two different numbers, and two numbers * * * enjoy this package.

China Mobile Communications Group Co., Ltd. (China Mobile, China Mobile for short) is a mobile communication operator based on GSM, TD-SCDMA and TD-LTE networks.

China Mobile is a state-owned backbone enterprise established on April 20, 2000, with a registered capital of 51800 million yuan, based on the deployment and requirements of the state on the reform of the telecommunications system and the overall divestiture of the original mobile communication assets of China Telecom.

2065438+In March 2005, China Mobile applied to the Ministry of Industry and Information Technology for FDD license. 201may 15, China mobile announced the launch of 12 new measures to speed up and reduce fees.

On May 20th, 2002, China Mobile Communication Service Team arrived in South Korea to provide GSM-CDMA roaming service for Korean mobile communication customers watching the World Cup in China. This is the first time that China Mobile has gone abroad to provide on-site mobile communication services.

On July 2 1 2004, China Mobile Communications Group Co., Ltd. officially became the mobile communication service partner of Beijing 2008 Olympic Games.

On June 5438+ 10, 2005, China Mobile Communications Group Co., Ltd. announced the acquisition of PEOPLES (China Resources Wanzhong Telephone), a Hong Kong mobile communications company, and now it has become its wholly-owned subsidiary and changed its name to China Mobile Wanzhong Telephone Co., Ltd.