Nokia N81
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Posted: 29 Aug 2007 Announced: 29 Aug 2007
Market Status: Released
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Links: Nokia N81 manual Nokia N81 Official Page

The Nokia N81 is a Symbian smartphone slider, dedicated to music and games. Play the music through the stereo speakers to listen with friends or through headphones attached to the 3.5mm jack for higher quality. If you want to do it without wires, just pair a Stereo Bluetooth device. Rotate the phone in landscape and play games on the 2.4" QVGA display. When it comes to connectivity, you will like the support of 3G (UMTS), WiFi and microUSB.

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8.1 out of 10

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Nokia N81 specifications

Pros

No pros

Cons

Slow data means slow Internet browsing (EDGE, UMTS)
It is so thick it needs a personal fitness trainer (0.70 inches)
Low resolution display (240 x 320 pixels)
Lacks global positioning system (GPS)
Slow processor (369 MHz)
Too little RAM memory (96 MB RAM)
Low-resolution camera (2 megapixels)
The camera lacks autofocus
Low-resolution video capture
Lacks an ambient light sensor for automatic screen brightness adjustment

Design

Device type:
- Smart phone
OS:
OS - Phone that has capabilities, not usually associated with phones. Usually it has some of the above features: - Email, Web browsing - Personal information management - LAN connectivity etc
- Symbian (9.2) S60 3rd Edition, Feature Pack 1
Form factor:
Form factor - Refers to the form factor of a phone. The main handset designs are bar, clamshell, slide, swivel
- Slider
Dimensions:
Dimensions - Phone's dimensions
- 4.01 x 1.96 x 0.70 (102 x 50 x 17.9 mm)
Weight:
Weight - Phone's weight
- 4.93 oz (140 g)
  the average is 4.4 oz (126 g)

Display

Physical size:
- 2.40 inches
Resolution:
Resolution - Refers to the width and the height of the display
- 240 x 320 pixels
Pixel density:
- 167 ppi
Technology:
Technology - Refers to the type of the color displays. There are five major types: LCD, TFT, TFD, STN and OLED
- TFT
Colors:
Colors - Shows the number of colors that the display supports
- 16 777 216

Battery

Talk time:
Talk time - Maximum talk time in hours
- 4.00 hours
  the average is 7 h (448 min)
Stand-by time:
- 17.0 days (408 hours)
  the average is 16 days (390 h)
Talk time (3G):
- 3.00 hours
Capacity:
Capacity - Shows the battery capacity in mAh
- 1050 mAh

Hardware

Processor:
- Single core, 369 MHz, ARM11
System memory:
- 96 MB RAM / 128 MB ROM
Built-in storage:
- 12 MB
Storage expansion:
Storage expansion - Capability to add additional memory to your phone.
- Slot Type:
  Slot Type - Shows what type of additional memory can be added to the particular phone. Eight major memory slot types are available: MMC, SD, CF, Memory Stick Duo, miniSD, RS MMC, TransFlash (microSD), Memory Stick Pro Duo
  - microSD

Camera

Camera:
Camera - Camera specs
- - 2 megapixels
- Flash:
  - Yes
- Features:
  - Digital zoom
Camcorder:
- - 320x240 (QVGA) (15 fps)
- Features:
  - Video calling
Front-facing camera:
- Yes

Multimedia

Radio:
- - FM, Stereo, Visual Radio

Internet browsing

Browser:
Browser - Capability to access special Internet sites using the mobile phone
- - S60 OSS Browser
- Supports:
  - HTML, XHTML, WAP 2.0, Flash Lite

Technology

GSM:
GSM - Global System for Mobile communications. A world standard for digital cellular communications using narrowband TDMA (Time Division Multiple Access), which allows up to eight calls at a time on 800 MHz and 1800 MHz frequencies. Introduced in 1991. Is the standard most commonly used in Europe and Asia, but not in the United States. GSM phones use a Subscriber Identity Module (SIM) smart card that contains user account information. Any GSM phone becomes immediately programmed after plugging in the SIM card, thus allowing GSM phones to be easily rented or borrowed. SIM cards can be programmed to display custom menus for personalized services.GSM provides a short messaging service (SMS) that enables text messages up to 160 characters in length to be sent to and from a GSM phone.
- 850, 900, 1800, 1900 MHz
UMTS:
UMTS - Universal Mobile Telecommunications Service, also called WCDMA, is a 3G (Third Generation) packet-based transmission of text, digitized voice, video, and multimedia at data rates up to 2 Mbps. It is based on GSM standard and is supported by major standards bodies and manufacturers
- 2100 MHz
Data:
Data - Shows the particular phone's type of data. the major mobile phone data types are GPRS, CDMA2000 1xRTT, EDGE, CDMA2000 1xEV-DO, UMTS, etc.
- UMTS, EDGE

Phone features

Phonebook:
- Unlimited entries, Multiple numbers per contact, Picture ID, Ring ID
Organizer:
- Calendar, Alarm, To-Do, Calculator, Notes
Messaging:
- SMS, MMS (T9), Predictive text input
E-mail:
E-mail - Shows if the phone supports email features
- - IMAP, POP3, SMTP

Connectivity

Bluetooth:
Bluetooth - Low power radio technology replacing the need for wires connecting electronic devices such as personal computers, printers, palm top computers and mobile phones.
- - 2.0, EDR
Wi-Fi:
Wi-Fi - Wireless Local Area Network (WLAN) - used radio waves (RF) or infrared signals to send and receive data over the air. Most popular WLAN solutions today is Wi-Fi (802.11b and 802.11g) standards. 801.11b provides data speeds of around 11mbps while 802.11g can go up to 54 mbps.
- - 802.11 b, g
USB:
- - USB 2.0
- Connector:
  - microUSB
- Features:
  Features - Universal Serial Bus - is a plug-and-play interface for connection a computer and add-on devices such as joysticks, keyboards, wireless phones, scanner, cameras etc. USB supports hot-swap (ability to add a new device without having to reboot the computer). USB supports data speed of 12 megabits per second.
  - Mass storage device
- UPnP, Computer sync, SyncML, VoIP

Other features

Notifications:
- Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone
- Voice dialing (Speaker independent), Voice commands, Voice recording, Push-to-Talk, Presence

Availability

Officially announced:
- 29 Aug 2007

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