Firefly Q6: Replacing OLED and updating firmware
Well, I think the lesson is to try not to smash it up in the first place, it's a tricky fix and I got lucky. I picked up the replacement OLED from Gearbest here
http://www.gearbest.com/action-cameras-sport-dv-accessories/pp_461317.html
One note, I say in the video "2 screws", there are another 2 inside holding the PCB in place, but you'd probably notice these without me telling you.
On the other hand, the firmware update is very easy. The site to get the updates from is here
http://www.cnfpv.com/en/TECH/
The link to the 2.3 firmware (which is well disguised on that page !) is
https://drive.google.com/open?id=0B4bi9KTHbteFVlVMbFRqaE9sUm8
Certainly worth doing if you are using the camera for live out, and that OSD is winding you up !