Draytek old firmware My question to you is, my primary router the vn has firmware with a modem code of however the new router has older firmware with a modem code of October 17, This is also the objective that we have been pursuing in the last 6 years. DrayTek Vigor n router (Part no. VN-K) Systems Telecoms Upgrade Process for Old Version. How to I revert back to old Firmware? Download older version from support site unzip if zipped[…]