Nokia X6-00 User Guide - Page 25

Prolong battery life, USIM card is in your device. - phone

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Find help 25 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 cellular phones. PIN2 code - This code (4 to 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 unauthorized 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. Prolong battery life Many features in your device increase the demand on battery power and reduce the battery lifetime. To save battery power, note the following: • Features that use Bluetooth technology, or allowing such features to run in the background while using other features, increase the demand on battery power. Turn Bluetooth technology off when you do not need it.

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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 cellular phones.
PIN2 code
— This code (4 to 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 unauthorized 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.
Prolong battery life
Many features in your device increase the demand on battery power and reduce the
battery lifetime. To save battery power, note the following:
•
Features that use Bluetooth technology, or allowing such features to run in the
background while using other features, increase the demand on battery power.
Turn Bluetooth technology off when you do not need it.
Find help
25