Walksnail Googles X - HDMI Experimentation & Firmware Upgrades

Here are my First Look & Impressions of the Walksnail Goggles X System, my first (proper) foray into HD FPV.
Non Affiliate Links:
Goggles X: www.hobbyrc.co.uk/walksnail-a...
V3 Nano Air Unit: www.unmannedtechshop.co.uk/pr...
V2 Pro: www.unmannedtechshop.co.uk/pr...

[@PritishPal]

When I upgraded firmware and when I pressing after boot button show no updates

[@x13102543]

try download update from official website