Tinker won't load onto P1 (breathing magenta problem)

[mdma]

Updating via Dev is known not to work at this time. Please see this post int he Particle Firmware Update thread

Particle Device OS Updates Thread

Here’s a recap on how to get system firmware to your devices: Update from Build (Web IDE) or CLI by flashing a new application. (Note that with the CLI you must use particle flash rather than particle compile. This will flash 3 binaries - the application, system-part1 and system-part2. Do not interrupt the process. If the process is interrupted, then re-flash the application to reapply system firmware. At present, flashing from Particle Dev DOES NOT update system firmware. In that case, yo…