Set up UPnP for ZTE F612C
- Open a Browser e.g. IE, Chrome and type http://192.168.1.1 then press Enter
- Username = admin
- Password = password
- Press Login
- Go to Application > UPnP > Enable : tick a check mark (as shown) and press Submit
- At Application > UPnP Port Mapping > if Enable, it'll show which Port that UPnP is using