I recall seeing a thread about how to display which version of the firmware is installed on your Photon. But I have been unable to find that thread again. I seem to recall that as of v0.4.4, you can use a terminal program (like puTTY) to send a ‘v’ to the Photon and it will display the version numbe…

Display firmware revision installed

mdma August 29, 2015, 4:41am 2

Here you go

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