I think that's fine - if you got to the about screen, what firmware version is shown?
The apps are stored on external SPI flash, so updating the firmware doesn't actually get rid of them at all.
@Gordon started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
I think that's fine - if you got to the about screen, what firmware version is shown?
The apps are stored on external SPI flash, so updating the firmware doesn't actually get rid of them at all.