• Thin design loaded with features to help balance your business and leisure time
• Access your email while on the go with support for most leading corporate and personal email applications
• Browse the web and email with high speed 3G, HSDPA, or WLAN connection
• Make lower cost voice calls over the internet with the built-in WLAN
• Stay connected to the people and information you need with a long battery life and large internal memory

• (x)HTML web browser

• Integrated WLAN (IEEE 802.11g) with WLAN wizard: searches for available WLAN networks
• Bluetooth 2.0 specification with enhanced data rate (EDR)
• Mini USB connector, USB 2.0 full-speed
• 2.5 mm Nokia A/V connector
• IrDA (115 kbps)

• Email with support for POP3, IMAP4, and SMTP protocols, attachment viewers, dedicated email key, and LED indicator for new email messages
• Email support for a wide variety of third-party solutions including: Mail for Exchange, Visto Mobile, and Seven Always-on
• Option to select desired email account to read/write messages from
• Instant messaging (supports Yahoo, AOL, OMA 1.2, MSN)
• SMS text messages
• MMS for sending messages with pictures, video clips, and audio clips attached

• Push to talk (PTT or PoC)*
• Integrated handsfree speakerphone
• Voice over IP (VoIP) using WLAN
• Voice recorder
• Text-to-speech feature: hear your messages read aloud to you from your device

*Not available in the US and Canada

• Java™ MIDP 2.0 applications
• Nokia Office Tools 2.0 including Nokia Team Suite, In-device Search, Quickoffice, Macromedia PDF reader, Zip manager, File manager, and Active Notes: 
  • Nokia Team Suite provides easy to use UI for organizing and facilitating group conference calls, email messages, or text messages
  • In-device Search enables user to easily find data in device. For example, messages, email calendar data, and contacts can be searched easily via this application
  • Quickoffice provides viewers for Microsoft Excel©, Word© and PowerPoint© documents
  • Macromedia PDF reader enables user to view PDF documents
  • Zip manager provides means for managing ZIP files received – for example, as an email attachment
  • File manager for accessing data on user disk or memory card
  • Active Notes enable users to create notes containing rich text and multimedia items (e.g. pictures, voice clips, video clips). Notes can be synchronized to PC and browsed there via any XHTML compatible web browser
• Download! Tool for easy application downloads straight to your device
• Voice solutions: support for Nokia Intellisync Call Connect for Cisco, Nokia Intellisync Call Connect for Alcatel (all sold separately)
• Nokia Maps application integrated into device
• Support for Nokia Intellisync Mobile Suite with email, file synchronization, voice, and device management
• Support for Symantec and F-Secure antivirus software. Applications are available via Download! Tool
• Support for Pointsec encryption security application. Application is available via Download! Tool
• Worldmate: an application with weather, world clocks, and a currency converter to assist you while traveling. Application is available via Download! Tool
• Supports Windows Live providing mobile access to Windows Live Messenger and Windows Live Hotmail. Application is available via Download! Tool.
• Yahoo! Go: get your email, news, maps, and more all from the same customized webpage. Application is available via Download! Tool

• 2 megapixel camera with 4 x digital zoom for high quality still imaging and video capture*
• Video streaming and playback with H.264 (MPEG-4), 3gpp, and Real codecs
• Video recording in H.263 (3gpp) and MPEG-4*
• Video calling*

• GPRS/EGPRS (Class A, multi-slot class 32)
• Dual mode transfer multi-slot class 11 for simultaneous voice calls and browsing
• HSDPA (high-speed downlink protocol access) up to 3.6 Mbit/s (3G)
• Local data synchronization with Nokia PC Suite

• Nokia Intellisync Device Management (sold separately)
• OMA (Open Mobile Appliance) Device Management 1.1.2
• OMA Client Provisioning 1.1
• OMA Data synchronization 1.2 (no email)
• Over the internet (OTI) firmware update

• 2" (240 x 320 pixels), active-matrix color display supports up to 16 million colors

• Up to 130 MB of user data memory
• Expandable up to 4 GB with hot swappable microSD card

• MP3 music player
• Compatible with Bluetooth stereo headsets
• FM Visual Radio: lets you see information about songs or artists, and read up on celebrity news

• GSM 850/900/1800/1900, WCDMA 850/2100

• Contacts, calendar and to-do list: supports PC synchronization with Microsoft Outlook and Lotus Notes via Nokia PC Suite

Operation times vary depending on radio access technology, network, and usage.

• Supports MP3, MPEG-4, AAC, eAAC+, WMA, AMR-NB, and AMR-WB formats

• Nokia E51
• Nokia Battery BP-6MT
• Nokia Travel Charger AC-5
• Nokia Connectivity Cable DKE-2
• Nokia Headset HS-47
• Nokia E51 CD ROM
• Quickstart guide
• User guide
• Cleaning cloth

• Dimensions: 114.8 x 46 x 12 mm
• Weight: 100 g
• Volume: 61 cc

• S60 3rd Edition, Feature Pack 1
• 5-way navigation key, two soft keys, and send and end call keys
• Nokia Eseries keys for quick access to contacts, calendar, email, and the device’s home screen (Active standby)
• Enhanced Active standby for business: gives you quick access to your favorite applications and a summary of the day's activities, right from your device’s main screen
• Mute key and volume keys on the right side
• Push to talk*/voice recorder key on the left side
• Power key on top of the device
• Ambient light sensor
• LED indicator light for new email and SMS/MMS messages, and missed call indication

*Support for this feature varies by region