How to set up a network to send messages on vivox7 mobile phone?

How to set up free network information for vivo mobile phone? Let's take a look at the specific setting method.

Equipment: vivo iQoneo 5

System: pd2055c _ a _1.5.11.

1. First, turn on the phone and click the SMS icon.

2. Then, on the opened SMS page, click the three points in the upper right corner.

3. Then in the drop-down options, click Settings.

4. Then, in the settings page that opens, click Free Network Information.

Finally, in the opened page, click the button on the right to send a message through the network.