The mobile contract machine must be a mobile customized version of the mobile phone, and can't use other operators' cards, so the mobile contract machine can't use telecom cards whether the contract period has expired or not.

Extended data:

China Mobile engages in promotion and joint venture policies with manufacturers. Manufacturers produce mobile phones with China Mobile logo, which are mainly sold to China Mobile Hall. Some software functions, such as the dynamic zone, are added while keeping the original functions of the machine unchanged, without any harm to the machine itself.

Mobile custom machine is several designated models of mobile phones, which are bundled and sold in the form of packages such as telephone charges or traffic. As long as you save the phone bill, you can get your phone bill or buy this phone bill, but the condition is that the phone bill cannot be transferred and can only be completed with this card. Equivalent to compulsory consumption.