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Nokia N81 User Manual

Nokia N81
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Troubleshooting: Q&A
131
Q: Why can't I see my compatible PC in my device in the home
network?
A: If you are using a firewall application in your compatible
PC, check that it allows home media server to use the
external connection (you can add Home media server to
the firewall application’s exceptions list). Check from the
firewall settings that the firewall application allows traffic
to the following ports: 1900, 49152, 49153, and 49154.
Some WLAN access point devices have a built-in firewall.
In such cases, check that the firewall in the access point
device does not block traffic to the following ports: 1900,
49152, 49153, and 49154.
Check that the WLAN settings are the same in your device
and compatible PC.
Memory low
Q: What can I do if my device memory is low?
A: You can delete unused items saved in your device regularly
to avoid memory getting low. See ‘Memory low—free
memory’, p. 71.
To delete contact information, calendar notes, call timers,
call cost timers, game scores, or any other data, go to the
respective application to remove the data. If you are
deleting multiple items and one of the following notes are
shown: Not enough memory to perform operation.
Delete some data first. or Memory low. Delete some
data from phone memory., try deleting items one by one
(starting from the smallest item).
To view what kind of data you have and how much memory
the different data groups consume, press , and select
Tools > File manager > Options > Memory details.
Q: How can I save my data before deleting it?
A: Save your data using one of the following methods:
Use Nokia Nseries PC Suite to make a backup copy of all
data to a compatible computer.
Send images to your e-mail address, then save the images
to your computer.
Send data using Bluetooth connectivity to a compatible
device.
Messaging
Q: Why can’t I select a contact?
A: The contact card does not have a phone number or an
e-mail address. Add the missing information to the
contact card in Contacts.
Multimedia messaging
Q: The note Retrieving message is shown briefly. What is
happening?
A: The device is trying to retrieve a multimedia message from
the multimedia messaging center.
Check that the settings for multimedia messaging are
defined correctly and that there are no mistakes in phone
numbers or addresses. Press , and select Messaging >
Options > Settings > Multimedia msg..
Q: How can I end the data connection when the device starts
a data connection again and again?

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Nokia N81 Specifications

General IconGeneral
Display diagonal2.4 \
Display resolution240 x 320 pixels
Display number of colors16.78 million colors
Ringer typePolyphonic
Internal memory8196 MB
Front camera typeSingle camera
Rear camera resolution1600 x 1200 pixels
Personal info management (PIM)Alarm clock, Calculator, Calendar, Notes, To-do list
Headphone connectivity3.5 mm
USB 2.0 ports quantity1
Text prediction system typeT9
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 factorSlider
Product colorBrown
Gaming time6 h
Browsing time5 h
Talk time (2G)4 h
Talk time (3G)3 h
Battery capacity1050 mAh
Standby time (2G)1020 h
Continuous audio playback time11.5 h
Continuous video playback time4.5 h
2G standardsGPRS
Data networkwcdma
Bluetooth version2.0+EDR
Bluetooth profilesA2DP, BIP, DUN, FTP, GAP, GOEP, HFP, HSP, OPP, SPP
SIM card capabilitySingle SIM
Weight and Dimensions IconWeight and Dimensions
Depth102 mm
Width50 mm
Height17.9 mm
Weight140 g

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