Thanks ScuffR for your feedback.
I tried what you have proposed yesterday evening, however without success.
After the multiple tests that I did yesterday, this is what I understand.
I could get my Core online with the cyan LED breathing with the following steps:
- Do a factory reset
After that the Core is back online, with firmware 0.5.1 (checked with
particle identify). If I upload from the Particle Web IDE a project with firmware 0.5.1 it seems to be working. However, if I update another version, I’m back to square one.
I tried to upload manually the firmware, I was able to upload 0.5.3 with success and get a new project uploaded (from the Particle Web IDE). However, if I try to install a version greater than 0.5.3 (manually), the firmware is installed with success, however the Core isn’t anymore able to connect to the Cloud (the green, cyan, red, yellow LEDs sequence).
When we are uploading a new firmware, should we also update the bootloader? This isn’t clear from me (reference: https://github.com/particle-iot/firmware/releases).
It seems the issue is with the firmware that my Core is using. What could be causing the Core to fail to connect to the Cloud with firmware >0.5.3?
Thanks for your troubleshooting ideas!
From the other thread on a topic similar:
[Devices can't connect to internet, blinking cyan, green and yellow]
It seems that the bootloader could the problem.
I’ll try a
particle serial inspect to check the report.