What's the impact of not changing the number when a mobile phone is switched to the internet?

In this case, the effects of not changing the number include weak signal coverage, poor short message reception, business interruption, integral clearing and so on.

1. signal coverage: after switching to the network, users may encounter signal weakening or strengthening in some areas due to different network coverage of different operators.

2. SMS reception: SMS reception may be temporarily affected during the network transfer process, including notification messages of important services such as banks, WeChat and Alipay.

3. Service interruption: In the process of network transfer, the user's mobile phone number may not be used normally for some time.

4. Balance and points: After switching to the network, the balance and points of the original operator may be cleared and cannot be transferred to the new operator.