Generally speaking, there is no charge for connecting to a WiFi network. WiFi is a wireless networking technology that connects to the Internet wirelessly. When you use a WiFi network, you only need to pay for broadband, and you do not need to pay for phone calls. However, if you are on certain data plans or mobile networks, there may be additional charges when you connect to WiFi. These charges are usually incurred as a result of exceeding your data quota. Therefore, when using the WiFi network, please pay attention to your data usage, so as not to exceed the quota and incur additional charges. In general, WiFi connection is not chargeable, but if you are using a specific data plan or mobile network, there may be additional charges.