amazon echo action button, to Factory Reset the Amazon Echo Dot - caerphillyrunners.co.uk
Echo dot 3rd gen not booting up tried holding the action button for 25 seconds nothing just stuck on the long spinning cyan ring (I'll put what happened in the comments) :
Amazon Echo Alexa Plus/Dot Lautsprecher der 3. & 4. Generation/Show - verschiedene Farben - Neu | eBay
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Wie führt man einen Hard-Reset auf AMAZON Echo Dot 3rd Gen with Clock durch? - HardReset.info