Nokia N81 User Manual

Settings
119
Phone and SIM card
PIN code request—When active, the code is requested
each time the device is switched on. Deactivating the
personal identification number (PIN) code request may not
be allowed by some SIM cards.
PIN code, PIN2 code, and Lock code—You can change the
lock code, PIN code, and PIN2 code. These codes can only
include the numbers from 0 to 9. If you forget any of these
codes, contact your service provider. See ‘Glossary of PIN
and lock codes’, p. 119.
Avoid using access codes similar to the emergency
numbers to prevent accidental dialing of the emergency
number.
Keypad autolock period—Select whether the keypad is
locked when your device has been idle for a certain period
of time.
Tip! To lock or unlock the keypad manually, pull the
lock switch.
Phone autolock period—To avoid unauthorized use, you
can set a time-out after which the device automatically
locks. A locked device cannot be used until the correct lock
code is entered. To turn off the autolock period, select
None.
See ‘Glossary of PIN and lock codes’, p. 119.
When the device is locked, calls may be possible to the
official emergency number programmed into your device.
Tip! To lock the device manually, press . A list of
commands opens. Select Lock phone.
Lock if SIM card changed—You can set the device to ask
for the lock code when an unknown SIM card is inserted
into your device. The device maintains a list of SIM cards
that are recognized as the owner’s cards.
Closed user group—You can specify a group of people to
whom you can call and who can call you (network service).
When calls are limited to closed user groups, calls may be
possible to the official emergency number programmed
into your device.
Confirm SIM services—You can set the device to display
confirmation messages when you are using a SIM card
service (network service).
Glossary of PIN and lock codes
If you forget any of these codes, contact your service
provider.
Personal identification number (PIN) code—This code
protects your SIM card against unauthorized use. The PIN
code (4 to 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.

Nokia N81 Specifications

General

Display diagonal	2.4 \
Display resolution	240 x 320 pixels
Display number of colors	16.78 million colors
Ringer type	Polyphonic
Internal memory	8196 MB
Front camera type	Single camera
Rear camera resolution	1600 x 1200 pixels
Personal info management (PIM)	Alarm clock, Calculator, Calendar, Notes, To-do list
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	1
Text prediction system type	T9
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Form factor	Slider
Product color	Brown
Gaming time	6 h
Browsing time	5 h
Talk time (2G)	4 h
Talk time (3G)	3 h
Battery capacity	1050 mAh
Standby time (2G)	1020 h
Continuous audio playback time	11.5 h
Continuous video playback time	4.5 h
2G standards	GPRS
Data network	wcdma
Bluetooth version	2.0+EDR
Bluetooth profiles	A2DP, BIP, DUN, FTP, GAP, GOEP, HFP, HSP, OPP, SPP
SIM card capability	Single SIM

Weight and Dimensions

Depth	102 mm
Width	50 mm
Height	17.9 mm
Weight	140 g