Photon behaving very strangely - can't put in into safe mode - Lost Public Key

[Julian]

Is this thread anyuse?

SOLVED -- Cannot connect Photon - blinking cyan with red flashes

Brand new Photon, right out of the box - can’t connect it to the cloud. Blinking cyan with red flashes. The Tinker app setup fails Using the CLI (on Mac running for 10.11.2) for USB setup fails Then I’ve done: Manual Firmware Update, following instructions here: https://docs.particle.io/support/troubleshooting/common-issues/photon/#flashing-cyan Then I’ve done: Public Key Reset, following instructions here: https://docs.particle.io/support/troubleshooting/common-issues/photon/#flashing-…