A BlackBerry device cannot connect to the mobile network using UMA or GAN

Possible cause

Possible solution

The UMA connection is not configured correctly.

  1. On the BlackBerry device, in the device options, click Mobile Network.
  2. Verify that Wi-Fi Preferred is selected.
  3. On the Mobile Network screen, verify that the Connection Preference icon is displayed.
  4. If the Connection Preference icon does not display, at the Network icon, type ALT-GANN to turn on UMA connectivity.

The UMA profile is not configured correctly.

  1. On the BlackBerry device, in the device options, click UMA.
  2. Verify whether a UMA profile exists.
  3. If a UMA profile does not exist, create one using the credentials of the mobile network provider.
  4. Verify that for the currently selected UMA profile, the mobile network provider’s security gateway certificate field is not empty and is associated with a certificate for the corresponding mobile network provider.

The BlackBerry device is not connected to the Wi-Fi network or has not registered on a UNC.

  1. On the BlackBerry device, on the Wi-Fi Diagnostics screen, verify that the BlackBerry device is connected to a Wi-Fi network.
  2. Connect a computer to the wireless access point.
  3. To verify the IP address of the BlackBerry device, on the Wi-Fi Diagnostics screen, ping the computer.
  4. If you do not receive a response to the ping, the reason for this error is an issue on the Wi-Fi network.
  5. If you receive a response to the the ping but the BlackBerry device does not display a success message, check the Status field for a reason for this error.