Nokia E72 User's Guide Page 11

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Additional applications
There are various applications provided by Nokia and
different third-party software developers that help you do
more with your device. These applications are explained
in the guides that are available on the product support
pages at www.nokia.com/support or your local Nokia
website.
Settings
Your device normally has MMS, GPRS, streaming, and
mobile internet settings automatically configured, based
on your network service provider information. You may
have settings from your service providers already installed
in your device, or you may receive or request the settings
from the network service providers as a special message.
You can change the general settings in your device, such
as language, standby mode, display, and keypad lock
settings.
Access codes
If you forget any of the access codes, contact your service
provider.
Personal identification number (PIN) code — This code
protects your SIM card against unauthorised use. The
PIN code (4 - 8 digits) is usually supplied with the SIM
card. After three consecutive incorrect PIN code entries,
the code is blocked, and you need the PUK code to
unblock it.
UPIN code — This code may be supplied with the USIM
card. The USIM card is an enhanced version of the SIM
card and is supported by 3G mobile phones.
PIN2 code — This code (4 - 8 digits) is supplied with
some SIM cards, and is required to access some
functions in your device.
Lock code (also known as security code) — The lock
code helps you to protect your device against
unauthorised use. The preset code is 12345. You can
create and change the code, and set the device to
request the code. Keep the new code secret and in a
safe place separate from your device. If you forget the
code and your device is locked, your device will require
service. Additional charges may apply, and all the
personal data in your device may be deleted. For more
information, contact a Nokia Care point or your device
dealer.
Personal Unblocking Key (PUK) code and PUK2
code — These codes (8 digits) are required to change a
blocked PIN code or PIN2 code, respectively. If the codes
are not supplied with the SIM card, contact the network
service provider whose SIM card is in your device.
UPUK code — This code (8 digits) is required to change
a blocked UPIN code. If the code is not supplied with
the USIM card, contact the network service provider
whose USIM card is in your device.
International Mobile Equipment Identity (IMEI)
number — This number (15 or 17 digits) is used to
identify valid devices on the GSM network. Devices that
are, for example, stolen, can be blocked from accessing
the network. The IMEI number for your device can be
found under the battery.
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