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When I connect my RE to my phone, I get the error message "‍90"‍. What does it mean?

Error "‍90"‍ indicates a Wi‍-Fi connection problem. Try the following steps to resolve this problem:
  1. On your phone, go to Wi-Fi > > Wi-Fi Direct, then tap > Rename device.

    For some devices, the device name could be found in Settings > About > Phone identity > Phone name or Settings > General > About > Name.

  2. Change the name to a short one that consists of alphanumeric characters only. Don't use other symbols like a back slash (\) or quotation mark ("‍).
  3. Turn Wi‍-Fi off and on, and then try connecting your RE again.
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