You can install Tencent mobile phone housekeeper and get free wifi and Wi-Fi physical examination: check the security of Wi-Fi and stop surfing the Internet. Click on the WiFi logo on the right side of the mobile phone housekeeper to enter WiFi management. Click the floating window on the desktop of the mobile phone, and click Free WiFi in the pop-up page to enter WiFi management. After entering the WiFi management, you can connect free WiFi, encrypt the network, share WiFi and measure the network speed on the page.