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Shelly Plus H&T - Error after firmware update

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I have four Shelly Plus H&T (gen2) and they have been working great for almost one year now.
Yesterday I updated them to the latest firmware. Three are still working perfectly while one is now displaying "Err" (see attached picture) and no longer working.

I tried everything: replaced batteries, USB-C power, factory reset. The device is still not working.
The following is the output of the IP/rpc/shelly.getdeviceinfo?ident=true? command:

  "name": "htfirst",
  "id": "shellyplusht-d4d4da7bd8ac",
  "mac": "D4D4DA7BD8AC",
  "slot": 0,
  "model": "SNSN-0013A",
  "gen": 2,
  "fw_id": "20240425-141438/1.3.0-ga3fdd3d",
  "ver": "1.3.0",
  "app": "PlusHT",
  "auth_en": false,
  "auth_domain": null

Any idea how to resolve this issue? Thank you!



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