I think that's not what op meant: If I understand your link correctly, that's a tool to help connect to various networks if you have a shell on the device. If y

I think that's not what op meant: If I understand your link correctly, that's a tool to help connect to various networks if you have a shell on the device. If you don't, that won't help. What you need in that case is that the device itself opens up a temporary access point that you can use to configure the device.