What if China Mobile doesn't use enhanced after-sales service?

It doesn't matter if China Mobile strengthens after-sales service, and it won't affect users' use.

Enhanced after-sales service (DM) is a terminal management platform established by China Mobile to realize terminal management. Provide users with remote terminal parameter setting and software version upgrade services at any time.

Strengthen after-sales service DM business without communication fee and information fee. When roaming around the world, Hong Kong, Macao and Taiwan, the mobile data traffic fee will be charged according to the current tariff standard.