Nokia E51
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Posted: 19 Sep 2007 Announced: 18 Sep 2007
Market Status: Released
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Links: Nokia E51 manual Nokia E51 Official Page Nokia E51 Review

Nokia E51 is the 3G successor of the E50. The new phone adds 850/2100 MHz HSDPA to the quad-band GSM which makes it 2G/3.5G capable both in Europe and America. Other improvements over the previous model include support for Wireless LAN (WiFi) and newer Symbian 9.2.

Rating

Excellent 8.5 out of 10

Good

8.4 out of 10

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Nokia E51 specifications

Pros

Small dimensions (4.51 x 1.81 x 0.47 inches)

Cons

Slow processor (369 MHz)
Low resolution display (240 x 320 pixels)
Lacks global positioning system (GPS)
Too little RAM memory (96 MB RAM)
Low-resolution camera (2 megapixels)
The camera lacks autofocus
Low-resolution video capture
Lacks a standard (3.5mm) headphones jack
Lacks an ambient light sensor for automatic screen brightness adjustment

Design

Device type:
- Smart phone
OS:
- 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
- Candybar
Dimensions:
- 4.51 x 1.81 x 0.47 (115 x 46 x 12 mm)
Weight:
- 3.52 oz (100 g)
  the average is 4.2 oz (120 g)

Display

Resolution:
- 240 x 320 pixels
Technology:
Technology - There are two main screen technologies currently used in phones and tablets: LCD and AMOLED. The former usually features a light source and liquid crystals, while the latter is based on organic light-emitting diodes. Newer LCD variations like IPS-LCD and Super-LCD allow for very accurate color reproduction and very wide viewing angles, where no significant image quality loss is observed. Current AMOLED screens differ in such a way that they can exhibit much more saturated colors (sometimes too much) and incredibly high contrast levels, which is due to black color being completely black in AMOLED displays.
- 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
- 4.40 hours
  the average is 8 h (497 min)
Stand-by time:
- 13.0 days (312 hours)
  the average is 21 days (496 h)
Capacity:
- 1070 mAh

Hardware

Processor:
Processor - The processor is the main computing component of a phone and is a major factor when it comes to the overall speed of the device. Some more powerful smartphones use dual-core and quad-core processors designed to deliver greater performance.
- Single core, 369 MHz, ARM11
System memory:
System memory - System memory, or RAM memory is the type of memory that the device uses to temporarily store data from the OS or currently-running apps. The more RAM available to the device, the better the performance will be when multiple or heavier programs are running.
- 96 MB RAM / 256 MB ROM
Built-in storage:
- 130 MB
Storage expansion:
- Slot Type:
  - microSD

Camera

Camera:
- - 2 megapixels
- Features:
  - Digital zoom
Camcorder:
- - 320x240 (QVGA) (15 fps)
- Features:
  - Video calling

Multimedia

Radio:
- - FM, Stereo, Visual Radio

Internet browsing

Browser:
- - 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.
- 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
- 850, 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.
- HSDPA 3.6 Mbit/s, 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:
- - IMAP, POP3, SMTP, Microsoft Exchange, Visto, Seven Always-On Mail, Push e-mail

Connectivity

Bluetooth:
- - 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 g
USB:
- - USB 2.0
- Computer sync, Infrared, SyncML, VoIP

Other features

Notifications:
- Service lights, Music ringtones (MP3), Vibration, Phone profiles, Speakerphone
- Voice dialing, Voice commands, Voice recording, Push-to-Talk

Availability

Officially announced:
- 18 Sep 2007

To see the full specifications with in-depth details click here.

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