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I am trying to use wifi(HOME_WIFI) created using mobile hotspot(xiaomi). My OS is windows 10, at first i successfully connected and used smoothly. Then suddenly can not find the HOME_WIFI anymore. That same wifi(HOME_WIFI) is visible to all other mobile and laptop. Also my laptop can find all other available wifi except HOME_WIFI.

I tried the following solutions

  • Turn off firewall to check if firewall is blocking the wifi
  • Manage known network -> HOME_WIFI -> Forget
  • Restart everything
  • Recreate mobile hotspot
  • Tried to change frequency from mobile but it only supports 2.4 GHz
mahfuj asif
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1 Answers1

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If a Wifi is not visible on one or two devices of a large pool this usually means that the Wifi is running on a channel that is not available world wide (for 2.4GHz channels 12-14 are not available in every country of the world).

If you have a second Android device running max Android 9 you can use Wifi Analyzer app and check which channel is used.

If you have verified that a channel higher than 11 is used there two options:

  1. Configure the hotspot to use a lower channel (1-11). For Android before 10 there is usually the possibility to configure the channel in the advanced options of the mobile hotspot. By default the channel should be set to auto. See also this question on the hotspot channel

  2. You can check the device(s) that do not see the Wifi with a high channel if they have been correctly set-up for your country (assuming you are in a country using the channel used by the mobile hotspot is allowed). For smartphones this usually means that a SIM card of your country is inserted and at least connected once after reboot. Linux and Windows devices can also be configured for a specific country: See for example this topic for Ubuntu.

Robert
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