This forum would not let .xml file be attached, so have added a .txt file extension. If it fails maybe we revert to DM email (mine is "me[at]bosshogg.co.uk")
Seems it can only be reset using a file, and Hikvision UK saying purchase via Amazon is not a supported channel (even though it shows as being direct from Hikvision as supplier).
Looks like I now have an expensive brick.
The firmware seemed to load OK, and on Video output + mouse it prompted me to enter a Password twice (onscreen keyboard)... Username was blank and non-enterable.
After it accepted new password, it said it is registered. If I try with Mouse say to get to menu or change camera option it prompts...