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Samsung SGH-D780 DUOS

Announced
Apr 8, 2008
Market status
Released
Release date
Jun 12, 2008

Pros

  • Dual SIM card support

Cons

  • Slow data means slow Internet browsing (EDGE)
  • Lacks a standard (3.5mm) headphones jack
  • Lacks an ambient light sensor for automatic screen brightness adjustment

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Description

Samsung D780 is a tri-band GSM candybar and works with 2 SIM cards at the same time. In standby both cards are active and when dialing, the phone asks which one to be used. Features of the D780 include 2.1” QVGA display, 2-megapixel camera, Stereo Bluetooth and FM radio.

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Design

  • Form factor:
    • Candybar
  • Dimensions:
    • 4.52 x 1.95 x 0.61 inches (115 x 49.6 x 15.7 mm)
  • Weight:
    • 3.84 oz (109 g)
      the average is 4.8 oz (138 g)
  • Design features:
    • Numeric keypad, Soft keys (2)
  • Side Keys:
    • Left: Volume control, Other; Right: Camera shutter

Display

  • Physical size:
    • 2.1 inches
  • Resolution:
    • 240 x 320 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.

    • 190 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
  • Colors:
    • 262 144

Camera

  • Camera:
      • 2 megapixels
    • Features:
      • Digital zoom
  • Camcorder:
      • Yes

Hardware

  • Built-in storage:
    • 0.1 GB
  • Storage expansion:
    • microSD

Battery

  • Talk time:
    • 3.00 hours
      the average is 12 h (713 min)
  • Stand-by time:
    • 10.4 days (250 hours)
      the average is 20 days (489 h)
  • Capacity:
    • 1200 mAh
  • Type:
    • Li - Ion

Multimedia

  • Music player:
    • Supported formats:
      • MP3, eAAC+, WMA
  • Video playback:
    • Supported formats:
      • MPEG4, H.263
  • Radio:
      • FM

Internet browsing

  • Browser:
    • supports:
      • XHTML, WAP 2.0

Technology

  • GSM:
    • 900, 1800, 1900 MHz
  • Data:
    • EDGE
  • Multiple SIM cards:
      • 2 slots
  • Global Roaming:
    • Yes
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Phone features

  • Phonebook:
    • 1000 entries, Caller groups, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calculator, World clock, Converter, Alarm, To-Do, Calendar
  • Messaging:
    • SMS, Predictive text input, MMS
  • E-mail:
      • IMAP, POP3, SMTP
  • 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
  • Games:
      • Yes

Connectivity

  • Bluetooth:
      • 2.0
    • Profiles:
      • Headset (HSP), Handsfree (HFP), Dial-up networking (DUN), File Transfer (FTP), Object Push (OPP), Generic Access (GAP), Serial Port (SPP), Service Discovery Application (SDAP), Basic Printing (BPP), Generic Audio/Video Distribution (GAVDP), Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP), Audio/Video Control Transport Protocol (AVCTP), Audio/Video Distribution Transport Protocol (AVDTP)
  • USB:
      • USB 2.0
  • Charging connector:
    • Proprietary
  • Other:
    • Computer sync

Other features

  • Notifications:
    • Music ringtones (MP3), Polyphonic ringtones (64 voices), Vibration, Phone profiles, Speakerphone
    • Voice recording

Availability

  • Officially announced:
    • 08 Apr 2008
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