Problem solved. The APN I used with my ISP when I connect the dongle directly to a computer is not valid when I use it with the router. My ISP is Masmovil ( Spain ) , the router automatically...

Model : Hardware Version : Firmware Version : ISP : I have just bought a MR3420 to use with an old huawei E173 . I can successfully connect to the interface tplinkwifi.net and introduce the pin of...