Functions Without A Sim Card; Applications Running In Background; General Information; About Your Device - Nokia 2720 User Manual

General information

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Answer a call when the keypad is locked
Press the call key. When you end or reject the call, the
keypad locks automatically.
When the device or keypad is locked, calls may be possible
to the official emergency number programmed into your
device.

Functions without a SIM card

Some functions of your phone may be used without
inserting a SIM card, such as Organizer functions and
games. Some functions appear dimmed in the menus and
cannot be used.

Applications running in background

Leaving applications running in the background increases
the demand on battery power and reduces the battery life.
General information

About your device

The wireless device described in this guide is approved for
use on the GSM 850 and 1900 MHz networks . Contact your
service provider for more information about networks.
© 2009 Nokia. All rights reserved. 15