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Thanks for reaching out!
Please let us check how the hotspot mode can be manually disabled, we'll get back to you as soon as we can.
I like simple solutions: Don't use a space in the ssid password.
Actually, a space is fine. I just happened to include one that shouldn't be there.
Now working. Preserves changed settings across power-cycles as expected.
Just as clarification, when one have issue connecting device to another network . the system fallback Euclid to hotspot so it can remain active.
Also the system have 'Safe Mode' as it will also engage Hotspot in case of timeout connecting to defined network.
Intel Euclid Development Team.