TroubleshootingTroubleshootingQ&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 serviceprovider.For information about passwords, contact your accesspoint provider, for example, a commercial internet serviceprovider (ISP), wireless service provider, or networkoperator.Application not respondingQ: How do I close an application that is not responding?other obstructions between the devices.Check that the other device is not in the 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 Services settings.?A: Insert the correct browser settings. Contact your serviceprovider for instructions.Camera