Does Xiaomi receive traffic by free SMS?

This has not been specifically tested and consumes little traffic.

Click the menu button in the SMS interface-MIUI free network SMS. When this option is enabled, MIUI systems can send free short messages to each other. In addition, MIUI free SMS supports video, audio, slides, timing and themes. As long as both parties are under WiFi or data traffic, they can be sent as free short messages, and the intercom function can be easily realized! Methods: SMS → Open "+"→ Audio.