not like mine look here sorry can't help you more than that wait for the support maybe can help you

did you have the last firmware because mine doesn't appear like this check here if you have the last http://www.tp-link.com/en/support/download/?model=TL-MR3420&version=V2

i have the problem but you can click Set the Dial Number, APN, Username and Password manually in : Quick Setup >> then next and next and in the page of the config you can see Set the Dial Number,...

Region : Argentina Model : TL-MR3420 Hardware Version : V2 Firmware Version : 3.13.27 Build 121206 Rel.60215n ISP : Mattel hello I bought TP link Router Model TL-MR 3420 and purchased by issuing the...