Breathing Cyan then two orange blinks

[nrobinson2000]

@JSchrempp

However, after a minute or so the Photon would blink orange twice, then go back to rapid cyan flashing.

That is most likely the issue that has been mentioned multiple times before.

Photon keeps blinking cyan with intermittent red blinks

I was experimenting with alternative power sources for my Photon when it suddenly stopped working. It would successfully flash sketches over USB, but when it started up it just blinked green for a second, then cyan and red. I have tried a number of various solutions including resetting Wi-Fi settings and updating keys over DFU to no avail. I fear my Photon may be fried from the voltage put through it, though my multimeter verified that it was 5V. Any help would be appreciated. Here is what the…

The typical way to solve this is:

* put device in DFU mode *
particle keys server
* check to see if your device works, if not, put it back in DFU mode *
particle keys doctor <yourDeviceID>