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Samsung SGH-J770

Posted
Jan 1, 2009
Market status
Released

Pros

  • Small dimensions (3.88 x 1.91 x 0.58 inches)

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 SGH-J770 is a tri-band GSM slider, featuring 262k color TFT display, 2-megapixel camera, stereo Bluetooth, Music player, FM Radio and microSD slot for memory.

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Design

  • Form factor:
    • Slider
  • Dimensions:
    • 3.88 x 1.91 x 0.58 inches (98.5 x 48.6 x 14.8 mm)
  • Weight:
    • 3.53 oz (100 g)
      the average is 4.8 oz (137 g)
  • Design features:
    • Numeric keypad, Soft keys (2)
  • Side Keys:
    • Left: Volume control, Multimedia control; Right: Camera shutter

Display

  • Physical size:
    • 2.1 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.

    • 134 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, Burst mode, Effects
  • Camcorder:
      • Yes

Hardware

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

Battery

  • Talk time:
    • 7.16 hours
      the average is 13 h (758 min)
  • Stand-by time:
    • 15.4 days (370 hours)
      the average is 20 days (485 h)
  • Capacity:
    • 880 mAh
  • Type:
    • Li - Ion

Multimedia

  • Music player:
    • Supported formats:
      • MP3, AAC, AAC+, eAAC+, WMA
  • Video playback:
    • Supported formats:
      • MPEG4, H.263, 3GP
  • Radio:
      • FM, Recording option

Internet browsing

  • Browser:
    • supports:
      • WAP 2.0

Technology

  • GSM:
    • 900, 1800, 1900 MHz
  • Data:
    • EDGE
  • 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, Notes, Unit converter, Currency converter, Alarm, Calendar
  • Messaging:
    • SMS, Predictive text input (T9), 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.

      • Midp 2.0, CLDC 1.1
  • 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), Service Discovery Protocol (SDP), Basic Printing (BPP), Generic Audio/Video Distribution (GAVDP), Advanced Audio Distribution (A2DP), Audio/Visual Remote Control Profile (AVRCP)
  • USB:
      • USB 2.0
  • Charging connector:
    • Proprietary
  • Other:
    • Computer sync, SyncML

Other features

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