@mwrobot Follow-up - with a bit more detective work, finally solved this. The ISP settings are baked in with a TP Link OEM tool called Agile Config - it allows to generate a settings file that (via...

@endless_despair Many thanks for the reply. The instructions were a bit flaky but I managed to get to the recovery mode (in this case I had to hold the reset switch while powering on). Reinstalled...

@endless_despair - many thanks for the suggestion and the link. But from what I can see, this procedure is only available when the router is bricked? Mine is not - I can log in normally, so I can...

I have this router from a previous ISP - they have now ceased business but I can still use this as an access point. This works, but the router has very tenacious branding from the ISP: Logo on the...