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Nokia 6638

Posted
Apr 27, 2005
Market status
Released

Pros

No pros

Cons

  • Lacks Wi-Fi
  • Lacks microSD slot for storage expansion
  • It is so thick it needs a personal fitness trainer (0.90 inches inches)
  • Low resolution display (176 x 208 pixels)
  • Low-resolution camera (1.2 megapixels)
  • The camera lacks autofocus
  • The camera lacks flash
  • Lacks a standard (3.5mm) headphones jack
  • Lacks an ambient light sensor for automatic screen brightness adjustment
  • No front-facing camera

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Description

Nokia 6638 is the first in the world Symbian operating system phone which will work on CDMA networks. In appearance it is identical to the Nokia 6630 which is UTMS/GSM. The only difference is that the 6638 features expandable antenna. Other notable features are Bluetooth, POP3/IMAP support with 1.2 mega pixel camera

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Design

  • Device type:
    • Smart phone
  • OS:
    • Symbian
  • Dimensions:
    • 4.33 x 2.36 x 0.90 inches (110 x 60 x 23 mm)
  • Weight:
    • 4.58 oz (130 g)
      the average is 4.9 oz (139 g)

Display

  • Resolution:
    • 176 x 208 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:
    • 65 536

Camera

  • Camera:
      • 1.2 megapixels
    • Features:
      • Exposure compensation, Night mode, Burst mode, Self-timer
  • Camcorder:
      • Yes
    • Features:
      • Video calling

Hardware

  • Storage expansion:
    • MMC

Battery

  • Capacity:
    • 1070 mAh

Technology

  • CDMA:

    CDMA - Code Division Multiple Access. A technique of multiplexing, also called spread spectrum, in which analog signals are converted into digital form for transmission. For each communication channel, the signals are encoded in a sequence known to the transmitter and the receiver for that channel. The foremost application is digital cellular phone technology from QUALCOMM that operates in the 800MHz band and 1.9GHz PCS band. CDMA phones are noted for their excellent call quality and long battery life.

    • 800, 1900 MHz
  • Positioning:

    Positioning - This field shows the positioning systems supported by the device. There are three main types: GPS, A-GPS and GLONASS. GPS - This is one of the most widespread global positioning technologies, developed and maintained by the U.S. government. It uses satellites in order to detect your location. Works best in clear weather. A-GPS - A-GPS stands for Assisted GPS and is the industry standard for positioning and navigation. “Assisted” means that it can use local wireless networks, in addition to satellites, for quicker and more precise localization. GLONASS - GLONASS is a global positioning system, developed by the Russian Federation. It’s very similar to GPS, but isn’t so popular in cell phones.

    • GPS
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Connectivity

  • USB:
      • Yes
  • Other:
    • Computer sync, Infrared, SyncML

Other features

  • Notifications:
    • Vibration, Phone profiles, Speakerphone
    • Voice dialing, Voice commands, Voice recording, TTY/TDD

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


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