Elbert, thanks for your reply but there is no decent support in my country. I've learned by trials and errors approach - C7 1750 cannot be downgraded in this way, from V4 to V2. Case closed. wwell,...

Model : Hardware Version : Firmware Version : ISP : Hello all, is it possible to downgrade firmware of my Archer C7 router from V4 to V2. I want to make such downgrade just to be able to use WDS...