Wi-Fi is unstable or cannot connect: Samsung Galaxy Note II

Wi-Fi is unstable, disconnects, or cannot connect on the Samsung Galaxy Note II.



  • 'Your Internet connection is unstable'
  • Wi-Fi disconnects and Mobile data connects
  • Unable to connect to Wi-Fi
  • Connected to Wi-Fi and no Internet is available






Wi-Fi signal strength may be overly sensitive, initiate an error message, and switch to Mobile data instead of the available Wi-Fi connection.


If the Wi-Fi connection is unstable, the device will display an error message. This error message occurs by design when the device is too far from the router.


Device causes
Software version affected

Android 4.3

Software version resolved








To fix unstable Wi-Fi connection, follow these steps:


Device steps


  1. Navigate to Settings > Wi-Fi.
  2. Long press the existing connection.
  3. Tap Forget network.
  4. Press the Menu key.
  5. Reconnect to Wi-Fi.
  6. If the issue persists, please contact the manufacturer of the router for assistance with router steps.



Router steps


  1. Please contact the manufacturer of the router for assistance with router steps.
  2. Verify the router is broadcasting in a clear spectrum.

Note: Interference from other Wi-Fi signals, wireless home phones or microwaves can influence the router signal. In areas with greater interference, try using the 5Ghz frequency.

  1. While testing router signal, avoid walls and electronics that may break line-of-sight connection between the router and the device.
  2. If router is located far from the device, try changing signal from 5Ghz to 2.5Ghz.