Thanks for your help.
:-)
For anyone else having difficulty with the new links, it seems that on my Mac at least, the .aspx for
http://www.boyue.com/category.aspx?nid=33
http://www.boyue.com/category.aspx?nid=34
http://www.boyue.com/category.aspx?nid=35
http://www.boyue.com/category.aspx?nid=46
All resolve to
http://m.boyue.com/wap.aspx, on both Safari and Firefox. I've not got Chrome so I didn't try that.
They all work on Edge on Win10, so I've manage to find (& download for my T62D) firmware for T-61,62 & 80, for the T63 there doesn't appear to be anything on the boyue page, and
https://drive.google.com/drive/folde...i1oUTg4ck5kUlE
gives a page error