There are a couple of different messages and troubleshooting routes based on the firmware of your scanner.
 

Here are a few things to try if you are seeing a red No Wi-Fi icon or a red No Tether icon.

• For scanners running new firmware (V3.0.0), the app will direct you to the Wi-Fi tab to connect to a network.
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  • There is the possibility that the scanner will not be able to display a list of networks.  If that happens, make sure that you are in range of a Wi-Fi network or that you have your phone's hotspot enabled.
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• For scanners running Legacy firmware (V2.4.0 or older), the app will direct you to enable Bluetooth Tethering on your phone.
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  • For iOS devices
    • Enable the Personal Hotspot with the Maximize Compatibility switch enabled.
    • In the iPhone's Bluetooth Menu, verify that the device is connected and that the device type is set to 'other.'
  • For Android Devices
    • Go to the phone's settings and use the search function to find "Bluetooth Tethering" and enable it.
    • In the phone's Bluetooth Menu, verify that the device is connected.

If following those steps does not solve the issue, there here a few other items to try.

For both iOS and Android devices:

• Verify that the battery is charged (has more than 1 bar).
• Verify that you have good cellular coverage.
• Disconnect from all other Bluetooth devices.
• Try toggling the Wi-Fi off.

If you are using an iOS device, then:

• Make sure hotspot is on and maximize compatibility is enabled.

• In the phone's Bluetooth menu, select the Leaftech Scanner, go to settings (circled blue i), and set the device type to 'Other.'

• If the above items and a few minutes of waiting for the device to connect, do not solve the issue, then try the following:

  •  In the phone's Bluetooth menu, forget the Leaftech Scanner.

  • Pair with the scanner.

  • Set the device type to 'Other.'

• If all else fails:

  • Verify that your phone is running iOS version 26.4 or greater.  

  • Contact support.