My SIM is broken - can no longer be read by my phone in either slot while other SIMs continué too work - but there is no 'manage SIM' option on my dashboard and I need to order a replacement SIM.
Ah, thanks. The one critical piece of information missing that others may find useful was that I needed to cut and paste the web links because android by default diverts them to the app. Your suggestion here gave me mind to try a bit harder to force ...