178 Troubleshooting - Nokia E5-00 User Manual

178 Troubleshooting

VPN Virtual private network.
VPN creates a secure
connection to compatible
corporate intranet and
services, such as e-mail.
WAP Wireless application
protocol. WAP is an
international standard for
wireless communication.
WEP Wired equivalent privacy.
WEP is an encryption
method that encrypts data
before it is transmitted in
WLAN.
WLAN Wireless local area network.
WPA Wi-Fi Protected Access.
Security method for WLAN.
WPA2 Wi-Fi Protected Access 2.
Security method for WLAN.
Troubleshooting
To view frequently asked questions
about your device, go to
www.nokia.com/support.
Q: What is my lock, PIN, or PUK code?
A: The default lock code is 12345. If you
forget or lose the lock code, contact your
device dealer. If you forget or lose a PIN
or PUK code, or if you have not received
such a code, contact your network
service provider.
Q: How do I close an application that
is not responding?
A: Press and hold the home key. Scroll to
the application, and press the
backspace key to close the application.
Q: Why do images look smudgy?
A: Ensure that the camera lens
protection windows are clean.
Q: Why do missing, discoloured, or
bright dots appear on the screen
every time I switch on my device?
A: This is a characteristic of this type of
display. Some displays may contain
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