Hello Moon, It is V1, I have had it for about 1-2 years, otherwise it works fine. Up to now I have not needed this functionality. The TP Link support pages have several firmware up dates, the latest...

Region : UnitedKingdom Model : TD-W8960N Hardware Version : V1 Firmware Version : 1.4.0 Build 111108 Rel.40398n ISP : plus net My modem router will not update the ip address with my hosting address...