Probably due to a firmware update. Turn these updates off. You’ll get a timeline msg when a new fw update is published.
Install them yourself, after X-mass
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For the unresponsive devices, you’d try to change the USB power unit for a decent Apple / Samsung etc one, 5V and at least 2 Amps.
Also replace the USB cable.
When that doesn’t make a difference, install the so called ‘Full software download’; it installs Homey software from scratch again.
Nothing gets removed or changed, but do have a recent backup at hand, just in case;
Skip the “backup” questions, and don’t push the factory reset button
Howto:
