Broadband Buddy seems to be working on my mobile when connected to broadband but not on my laptop. Can anyone suggest anything I can do to troubleshoot, or if this is a known issue?
Broadband buddy is a function of your account, not the devices connected.
Are you possibly using a VPN on the laptop?
Yes, I have implemented my desired settings for Broadband buddy in my account but despite this, the settings on work on my phone but not the laptop. The laptop isn't connected to a VPN.