Manage your Mi-Fi and network conveniently and efficiently via your connected smart phone or tablet. (Supports Tenda Mi-Fi: 4G185) Connect the 4G185 Wi-Fi via scan QR code; Check Mi-Fi carrier information Check Mi-Fi data traffic packet usage information; Check Mi-Fi current upload and download speed anywhere; Check Mi-Fi battery life; Display the connected device and relevant information. Display carrier information and signal strength; Change the Wi-Fi settings. All can be done using Tenda Link app instead of computer and laptop. Features -Scan the two-dimensional code on screen of 4G185 then automatically connected to the WIFI (Double press “WPS” button then display code on screen). -Check the current data traffic packet usage - View the number of wireless terminals connected to the device and relevant information; - Enable Micro SD memory card sharing management; - Sharing MICRO SD memory card content that you inserted the 4G185; share with photo, video, music in WLAN; -Upload and download the files between Micro SD memory card with your connected smart phone and tablet; - Change Wi-Fi SSID and password; - Enable roaming service. -Set data traffic packet threshold -Reset or reboot the router.