Why does the mobile phone send a text message saying that there is traffic in the package?

Telecom users, right? That traffic is free of charge from the mobile phone package, so don't worry. Telecom mobile phones need to pay attention to network settings when surfing the Internet. Wap uses the internet starry sky, net uses the internet; General software uses wap, QQ and other individuals will use net and java platforms, just change the network in java settings, and everything else is similar.