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Lemon Mobiles Duo 321

Jul 23, 2011
Market status


  • Dual SIM card support
  • Small dimensions (4.47 x 1.87 x 0.43 inches)


  • Lacks Wi-Fi
  • The camera lacks autofocus
  • The camera lacks flash
  • Lacks an ambient light sensor for automatic screen brightness adjustment




The Lemon Duo 321 is a Dual-SIM feature phone with 2.2'' TFT display, FM radio, Bluetooth, Facebook integration and Upto 4 GB expandable memory via memory card slot.

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  • Device type:
    • Feature phone
  • Form factor:
    • Candybar
  • Dimensions:
    • 4.47 x 1.87 x 0.43 inches (113.5 x 47.6 x 10.8 mm)
  • Design features:
    • Numeric keypad, Exchangable faceplates, Soft keys (2)
  • Colors:
    • Purple, Yellow, Blue


  • Physical size:
    • 2.2 inches
  • 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


  • Camera:
      • 1.3 megapixels
  • Camcorder:
      • Yes


  • Storage expansion:
    • microSD, microSDHC up to 4 GB


  • Talk time:
    • 4.00 hours
      the average is 14 h (828 min)
  • Capacity:
    • 900 mAh


  • Music player:
    • Supported formats:
      • MP3
  • Video playback:
    • Supported formats:
      • MPEG4, 3GP
  • Radio:
      • FM
  • Speakers:
    • Loudspeaker

Internet browsing

  • Browser:
    • supports:
      • WAP
  • Built-in online services support:
    • Facebook


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

  • Phonebook:
    • 500 entries
  • Organizer:
    • Calculator, World clock, Stopwatch, Calendar
  • Messaging:
    • SMS (200 messages), MMS
  • JAVA:

    JAVA - J2ME (Java 2 Platform, Micro Edition) is a technology that allows programmers to use the Java programming language and related tools to develop programs for mobile wireless information devices such as cellular phones and personal digital assistants (PDAs). J2ME consists of programming specifications and a special virtual machine, the K Virtual Machine, that allows a J2ME-encoded program to run in the mobile device.

      • Yes


  • Bluetooth:
      • Yes
  • USB:
      • Yes

Other features

  • Notifications:
    • Music ringtones (MP3, MIDI)
    • Voice recording
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