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Karbonn K 451i

Posted
Aug 30, 2011
Market status
Released

Pros

  • Dual SIM card support

Cons

  • Lacks Wi-Fi
  • Low pixel density screen (128 ppi)
  • Low resolution display (176 x 220 pixels)
  • The camera lacks autofocus
  • The camera lacks flash
  • Lacks an e-mail client
  • Lacks an ambient light sensor for automatic screen brightness adjustment

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Description

The Karbonn K 451i is a dual SIM candybar with a 2.2-inch color display, Bluetooth, flashlight, FM radio, multimedia players and a microSD card slot.

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Design

  • Device type:
    • Feature phone
  • Form factor:
    • Candybar
  • Dimensions:
    • 4.46 x 1.91 x 0.61 inches (113.4 x 48.6 x 15.5 mm)
  • Design features:
    • Numeric keypad, D-Pad, Soft keys (2)

Display

  • Physical size:
    • 2.2 inches
  • Resolution:
    • 176 x 220 pixels
  • Pixel density:

    Pixel density - The pixel density of a display represents the number of pixels over an area of one inch. It’s measured in “pixels per inch”, or ppi. The higher the number, the more detailed and good-looking the display is.

    • 128 ppi
  • 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
  • Screen-to-body ratio:
    • 27.72 %
  • Colors:
    • 262 144

Camera

  • Camera:
      • 0.3 megapixels VGA
  • Camcorder:
      • Yes

Hardware

  • Built-in storage:
    • 0.16 GB
  • Storage expansion:
    • microSD, microSDHC

Battery

  • Talk time:
    • 7.50 hours
      the average is 11 h (678 min)
  • Stand-by time:
    • 30.0 days (720 hours)
      the average is 20 days (479 h)
  • Capacity:
    • 1800 mAh

Multimedia

  • Music player:
    • Supported formats:
      • MP3, WAV, AMR, MIDI
  • Video playback:
    • Supported formats:
      • MPEG4, 3GP
  • Radio:
      • FM, Recording option
  • Speakers:
    • Earpiece, Loudspeaker

Internet browsing

  • Browser:
    • supports:
      • WAP

Technology

  • GSM:
    • 900, 1800 MHz
  • Data:
    • GPRS
  • Multiple SIM cards:
      • 2 slots
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Phone features

  • Phonebook:
    • 1000 entries
  • Organizer:
    • Calculator, World clock, Stopwatch, Currency converter, Health management, Alarm, To-Do, Flashlight, Calendar
  • Messaging:
    • SMS (500 messages), Predictive text input, MMS

Connectivity

  • Bluetooth:
      • Yes
  • USB:
      • Yes
  • Headphones connector:
    • 3.5mm

Other features

  • Notifications:
    • Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Speakerphone
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