@avivagr Hi, I got the same model just V1 instead, would I be right in saying your trying to connect these devices on 2.4ghz because they are older and not compatatible with 5ghz? things to try:...

@dmn_daemon ok, hopefully one of the moderators/helpers will see this and they can help you further like in the link I posted above.....probably need to give them some details like s/n mac/email...

@dmn_daemon Hi just a question, was the router bought 2nd hand or brand new? If bought 2nd hand/used: Usually when a router is linked to an account and you don't have the account details and no way...

@hw_user Not sure their is a "free" option they only list 2 subscriptions available but it does say you can have a 1 month free trial and then just cancel it so thats one way, another way is most ISP...

@Prasenjit Hi, I too own an Archer C80 (EU version) 2.20 / 1.13.15 Build 240812 but I use it for WDS function only (also have Archer AX73 main router) I would try to downgrade firmware if possible...

@pxr5164 Just as @terziyski has said it would be best to do a backup config of your "current" v1 main router and note down your ISP info (username and password etc) and any other specific changes...