dsc 810 --
Re cockpit camera/IAS
Can I refer you to read the AAIB report section 1.11.13 starting on page 40 and the following pages where the presence of the cockpit cameras and smartphones is extensively described.
https://assets.publishing.service.go...017_G-BXFI.pdf
I don't see anything there that confirms the indicated airspeed. Maybe I'm missing something?