The Pokitto’s flash button nowadays needs almost always several tries before I get it to flash mode. And quite much pressure too. I am afraid that I will break something inside Pokitto as I need a lot of force to get flashing to work.
The foil button really helped me for a while. Then it came loose and instead I drew over the contact with a conductive ink pen, and that helped it also… But then that’s worn off and I need to refresh it.