Go to Setting-->Network-->WiFi-->Double Click Trusted SSID
Enter correct password to SSID and Click “Save”
Refresh and Link Status will be shown “Connected” below which means it’s already connected to WiFi. If disconnected, please try it again or check whether MAC address of this encoder is in the whitelist of your router.
Tips: It's necessary to plug out the ethernet cable and power off the encoder to reboot it to make WiFi valid.