How to change the M-Zone into a 1 card after 4 years?

If the service life of your M-Zone No.1 card is less than 4 years, but you want to change your subscription, you can change it in the following ways:

1. Log in to the online business hall of China Mobile, enter the "Package Change" page, and select a new package to make changes.

The above contents are for reference only, and the specific operation process may be different due to the actual situation. For specific information, please consult mobile customer service.