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Karbonn A21

Karbonn A21
4.5"
480 x 800 pixels
5 MP
1.3 MP front
MEMORY: 4 GB + MicroSD
BATTERY: 1800 mAh
Posted: Jan 16, 2013
Market status: Released
Features: Fingerprint Lightweight Thin LTE Rugged NFC Dual SIM

Pros

  • Dual SIM card support

Cons

  • Does not support automatic screen brightness
  • Lacks a proximity sensor that turns the display оff during a phone call
  • Low pixel density screen (207 ppi)
  • Low-resolution camera (5 megapixels)

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Description

The Karbonn A21 is a powerful dual-SIM Android device. It boasts Android 4.0, dual core 1.2GHz processor, 4.5'' display, 5MP camera, 3G support and expandable memory of up to 32GB via microSD card slot.

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Design

  • Device type:
    • Smart phone
  • OS:
    • Android (4.0)
  • Form factor:
    • Candybar
  • Colors:
    • White

Display

  • Physical size:
    • 4.5 inches
  • Resolution:
    • 480 x 800 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.

    • 207 ppi
  • Touchscreen:
      • Capacitive, Multi-touch

Camera

  • Camera:
      • 5 megapixels
    • Flash:
      • LED
    • Hardware Features:
      • Autofocus
    • Software Features:
      • Face detection
  • Camcorder:
      • Yes
  • Front-facing camera:
      • 1.3 megapixels

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.

    • Dual-core, 1200 MHz
  • Built-in storage:

    Built-in storage - Bigger storage capacity allows you to keep more content saved onto your device, such as more applications, photos or video. Games and video content typically take up the biggest amount of storage space.

    • 4 GB
  • Storage expansion:

    Storage expansion - Some handsets allow you to expand their storage capacity by using a memory expansion card – most often microSD. Expansion memory is mostly suitable for media storage, such as photo, video or music content.

    • microSD, microSDHC up to 32 GB

Battery

  • Capacity:

    Capacity - The bigger, the better! However, battery capacity is not the only factor that has an effect on battery life. Those include the chipset in use, the software running on the device, as well as the consumer's unique usage pattern.

    • 1800 mAh
  • Type:
    • User replaceable
  • Talk time:
    • 5.00 hours
      the average is 19 h (1165 min)
  • Stand-by time:
    • 8.3 days (200 hours)
      the average is 19 days (462 h)

Multimedia

  • Music player:
    • Filter by:
      • Album, Artist, Playlists
    • Features:
      • Album art cover, Background playback
    • Supported formats:
      • MP3, AAC, AAC+, WAV, AMR, MIDI
  • Video playback:
    • Supported formats:
      • MPEG4, H.263, H.264, 3GP
  • Speakers:
    • Loudspeaker
  • Broadcast Mobile TV:
      • Yes

Internet browsing

  • Browser:
    • supports:
      • HTML, WAP
  • Built-in online services support:
    • YouTube (upload), Picasa/Google+

Cellular

  • GSM:
    • 900, 1800, 1900 MHz
  • UMTS:
    • 2100 MHz
  • Data:
    • HSDPA 7.2 Mbit/s, UMTS
  • 2G Data:
    • EDGE, GPRS
  • Multiple SIM cards:
    • 2 slots
  • Global Roaming:
    • Yes
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Phone features

  • Notifications:
    • Music ringtones, Vibration
  • Phonebook:
    • Caller groups, Multiple numbers per contact, Search by both first and last name, Picture ID, Ring ID
  • Organizer:
    • Alarm, Calculator, World clock, Stopwatch
  • Messaging:
    • SMS, MMS, Threaded view, Predictive text input
  • E-mail:
      • IMAP, POP3, SMTP
  • Instant Messaging:
      • Hangouts / Google Talk
  • Games:
      • Yes
  • Other features:
    • Voice dialing, Voice commands, Voice recording

Connectivity

  • Bluetooth:
      • Yes
  • Wi-Fi:
      • 802.11 b, g, n
  • USB:
      • Yes
    • Connector:
      • microUSB
    • Features:
      • Mass storage device, USB charging
  • Positioning:

    Positioning - This field shows the positioning systems supported by the device. The most common types are GPS and A-GPS. 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.

    • GPS, A-GPS
  • Navigation:
    • Yes
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Despite our efforts to provide full and correct Karbonn A21 specifications, there is always a possibility of making a mistake. If you see any wrong or incomplete data, please LET US KNOW.


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