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I've had an internet outage and afterwards my Android 9 Xiaomi smartphone did not see my SSID at all in the system WiFi list and in the WiFi Analyzer app. My phone only supports 2.4 GHz WiFi, whereas other devices use 5 GHz. 2.4GHz is on on the router.

The SSID Broadcast is on, I even tried setting the SSID on my phone that didn't work.

I tried setting the channel to 9 and 5 correspondly without any avail (as discussed here The SSID of my WiFi is not appearing in the list of neighbor networks ).

All my other devices have no issues.

Any help is very appreciated.

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  • Is your phone picking up other SSOD's and is your router accessible on the 2.4g band by other devices?
    – davidgo
    Commented Oct 30, 2021 at 18:01
  • not sure why this question was migrated. check beacon interval in residential gateway settings, default is 100 ms
    – alecxs
    Commented Oct 30, 2021 at 18:11
  • @davidgo yes it's picking up other SSIDs and I don't know since the SSID is the same for 2.4 GHz and 5 GHz
    – Sir Muffington
    Commented Oct 30, 2021 at 18:15
  • @alecxs there's no such option but I already found the culprit, going to post an answer
    – Sir Muffington
    Commented Oct 30, 2021 at 18:25
  • @alecxs - Because questions about Android devices are out of scope at Super User
    – Ramhound
    Commented Oct 30, 2021 at 23:48

1 Answer 1

Reset to default
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All you have to do is to disable Band Steering, since otherwise the router automatically detects devices on the 5 GHz range and automatically turns off the 2.4 GHz radio.

Case closed bangs hammer

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  • Sounds to me that there is something wrong with your router because the SSID broadcast should always continue. You should really name the router manufacturer, model and firmware version to make it clear which device is affected by this bug.
    – Robert
    Commented Oct 30, 2021 at 22:29
  • @Robert I'd rather not share my router specifics due to security reasons. And you might be right, then again the feature promises to turn off the other radio completely so I'm not sure now
    – Sir Muffington
    Commented Oct 31, 2021 at 7:59
  • big secret (do not tell anyone) avm.de/produkte/fritzbox/fritzbox-7590 ;)
    – alecxs
    Commented Oct 31, 2021 at 8:11

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