The router in that link is a Plusnet Hub Zero aka Sagemcom F@st 2704n not the hub one as per the post title.

How to change existing wireless settings on my Sagemcom 2864 modem • Open a web browser. • Type or in the address bar, then press Enter on your keyboard. • When prompted, enter the Connection Hub username (the default is admin). • Enter the Connection Hub password (the default is admin). • Click Wireless.

• To change the network name (SSID), delete the current SSID. • Enter a new network name. • To change the network password, delete the current password. • Enter a new password. Programma beguschaya stroka na monitore onlajn en. • Scroll to and click Save to update your wireless settings.

How to update my Bell Business Internet user ID and password on my Sagemcom 2864 modem • Open a web browser. • Type or in the address bar, then press Enter on your keyboard. • When prompted, enter the Connection Hub username (the default is admin). • Enter the Connection Hub password (the default is admin).

• The Connection Hub status page will appear. • Click Internet. • Delete the current user ID. • Enter the new Bell Internet user ID (b1 number). • Delete the current password. • Enter the new Bell Internet access password.

• Click Save.