What does the setting of Xiaomi mobile phone card 1 mean?

To set up the card 1, click the Security Center on the desktop, and then select Network Assistant and Network Control. On this page, you can set the network mode of the software. Checked instructions can be used, and cross instructions are prohibited. Users can choose according to their own needs. If you only use wifi, all data items can be crossed out. In some software settings, there are usually switches to control the networking of 2g, 3g and 4g data traffic, or you can set a software networking mode separately in the software settings.

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