Originally Posted by aeromodellers
Well the trick here is that after you upgrade the firmware, you need to power down the 31AP and power up the 31AP again without the USB connected... just power it up without any connections for a few seconds and then check the version.
It seems that 31AP needs to be booted normally once after the upgrade to show the correct version.
Yes. Good that it is working now.
But for upgrading Hornet OSD to 1.4, I could not read the version.
Did the same procedure for this one, but have not tested what version it shows when I boot it up on my googles