22. TroubleshootingQ: What is my password for the lock, PIN, or PUKcodes?A: The default lock code is 12345. If you forget the lock code,contact your device dealer. If you forget a PIN or PUK code, orif you have not received such a code, contact your networkservice provider. For information about passwords, contactyour access point provider, for example, a commercialinternet service provider (ISP) or network service provider.Q: How do I close an application that is notresponding?A: Press and hold the menu key. Select and hold theapplication icon, and select Exit.Q: Why do images look smudgy?A: Ensure that the camera lens protection windows are clean.Q: Why do missing, discoloured, or bright dotsappear on the screen every time I switch on mydevice?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.Q: Why can't my Nokia device establish a GPSconnection?A: Establishing a GPS connection may take from a couple ofseconds to several minutes. Establishing a GPS connection ina vehicle may take longer. If you are indoors, go outdoors toreceive a better signal. If you are outdoors, move to a moreopen space. Ensure that your hand does not cover the GPSantenna of your device. If the weather conditions are bad,the signal strength may be affected. Some vehicles havetinted (athermic) windows, which may block the satellitesignals.Q: Why can’t I find my friend’s device while usingBluetooth connectivity?A: Check that both devices are compatible, have activatedBluetooth connectivity, and are not in hidden mode. Checkalso that the distance between the two devices is not over 10metres (33 feet) and that there are no walls or otherobstructions between the devices.Q: Why can’t I end a Bluetooth connection?A: If another device is connected to your device, you can endthe connection from the other device or deactivate Bluetoothconnectivity in your device. Select Menu > Settings andConnectivity > Bluetooth > Bluetooth > Off.Q: Why can't I see a wireless LAN (WLAN) accesspoint even though I know I'm within its range?A: The WLAN access point may use a hidden service setidentifier (SSID). You can only access networks that use ahidden SSID if you know the correct SSID, and have created aWLAN internet access point for the network on your Nokiadevice.© 2009 Nokia. All rights reserved.104