Troubleshooting: Q&A104Troubleshooting: Q&AAccess codesQ: What is my password for the lock, PIN, or PUK codes?A: The default lock code is 12345. If you forget or lose thelock code, contact your device dealer.If you forget or lose a PIN or PUK code, or if you have notreceived such a code, contact your network operator.For information about passwords, contact your accesspoint provider, for example, a commercial Internet serviceprovider (ISP), service provider, or network operator.Application not respondingQ: How do I close an application that is not responding?A: To open the application switching window, press and hold. Scroll to the application, and press to close theapplication.Bluetooth connectivityQ: Why can’t I find my friend’s device?A: Check that both devices have activated Bluetoothconnectivity.Check that the distance between the two devices is notover 10 meters (33 feet) and that there are no walls orother obstructions between the devices.Check that the other device is not in hidden mode.Check that both devices are compatible.Q: Why can’t I end a Bluetooth connection?A: If another device is connected to your device, you can eitherend the connection using the other device or bydeactivating Bluetooth connectivity. Select Connect. >Bluetooth > Off.Browser servicesQ: What do I do if the following message is displayed: No validaccess point defined. Define one in Web settings.?A: Insert the correct browser settings. Contact your serviceprovider for instructions.CameraQ: Why do images look smudgy?A: Remove the protective plastic films covering the displayand camera. Ensure that the camera lens protectionwindow is clean.DisplayQ: Why do missing, discolored, or bright dots appear on thescreen every time I turn on my device?A: This is a characteristic of this type of display. Some displaysmay contain pixels or dots that remain on or off. This isnormal, not a fault.Home network (UPnP)Q: Why can’t the other device see the files stored on mydevice?