this post was submitted on 01 Jul 2025
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esphome device encryption key after HA reinstall (feddit.online)
submitted 2 weeks ago by smashing3606@feddit.online to c/homeassistant@lemmy.world
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I lost my esphome config in HA. I have several devices (sonoff S31) that show up in HA asking for encryption keys when I try to add them, which I don't have as old HA vm is gone. Is there anyway to reset them to base esphome config without disassembling and reflashing esphome? From what I can tell googling this, the answer is no, but thought I'd ask before I go ahead with that plan.

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[–] just_another_person@lemmy.world 3 points 2 weeks ago (1 children)

Depends on the device. Holding down the power button for 10s works in most cases though.

[–] smashing3606@feddit.online 2 points 2 weeks ago (1 children)

Thanks for the idea, no dice. Tried for 30s as well just in case. Devices are sonoff s31s

[–] just_another_person@lemmy.world 3 points 2 weeks ago (1 children)

Well then hold it for 10s and cut power to it while still holding the button.

[–] smashing3606@feddit.online 1 points 2 weeks ago (1 children)

That's not working either. Thanks for trying though.

[–] just_another_person@lemmy.world 1 points 2 weeks ago (1 children)

I'm confused here...you DO know you can just reprogram the device over USB and overwrite everything, right?

[–] smashing3606@feddit.online 1 points 2 weeks ago

Yes, I was hoping there was an easier method. Doesn't look like that's working though.