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Sony Ericsson Z520

Jun 14, 2005
Market status

US carrier availability

Discontinued: AT&T, CellularOne / Dobson


No pros


  • Lacks microSD slot for storage expansion
  • It is so thick it needs a personal fitness trainer (0.90 inches inches)
  • Lacks an ambient light sensor for automatic screen brightness adjustment




The Z520a is the first quad-band phone from Sony Ericsson. Aimed at the young fashion conscious users, the Z520 features Slyle-Up exchangeble front and back covers. Several lights are placed on the edges of the phone and the user can assign different lighting patters for each caller

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  • Form factor:
    • Clamshell
  • Dimensions:
    • 3.20 x 1.80 x 0.90 inches (83 x 46 x 24 mm)
  • Weight:
    • 3.30 oz (94 g)
      the average is 5.3 oz (150 g)
  • Design features:
    • Numeric keypad, Exchangable faceplates, Soft keys (2)
  • Keys:
    • Left: Volume control, Camera shutter


  • Resolution:
    • 128 x 160 pixels
  • 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:
    • 65 536
  • Additional display:

    Additional display - Shows specs of the phone's additional display

      • Color, STN
    • Resolution:

      Resolution - Refers to the width and the length od the additional display

      • 101 x 80 pixels
    • Colors:

      Colors - Shows the number of colors that the additional display supports

      • 4096


  • Camera:
      • 0.3 megapixels VGA
    • Features:
      • Digital zoom, Mirror, Self-timer
    • Settings:
      • Exposure compensation
    • Shooting Modes:
      • Night mode
  • Camcorder:
      • Yes


  • Built-in storage:
    • 0.016 GB


  • Talk time:
    • 9.00 hours
      the average is 15 h (887 min)
  • Stand-by time:
    • 16.7 days (400 hours)
      the average is 18 days (424 h)
  • Capacity:
    • 900 mAh
  • Type:
    • Li - Ion


  • Music player:
    • Supported formats:
      • MP3, AAC, WAV, AMR, MIDI
  • Video playback:
    • Supported formats:
      • MPEG4, 3GPP

Internet browsing

  • Browser:
    • supports:
      • WAP 2.0


  • GSM:
    • 850, 900, 1800, 1900 MHz
  • Data:
    • GPRS
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Phone features

  • Phonebook:
    • 500 entries, Caller groups, Multiple numbers per contact, Picture ID, Ring ID
  • Organizer:
    • Calculator, Timer, Stopwatch, Alarm, Calendar
  • Messaging:
    • SMS, Predictive text input (T9), MMS
  • E-mail:
      • IMAP, POP3, SMTP
  • Instant Messaging:
      • Yes
  • 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
  • Games:
      • JAVA downloadable


  • Bluetooth:
      • 2.0
    • Profiles/ Protocols:
      • Headset (HSP), Handsfree (HFP), Dial-up networking (DUN), Generic Object Exchange (GOEP), File Transfer (FTP), Object Push (OPP), Generic Access (GAP), Serial Port (SPP), Human Interface Device (HID), Basic Imaging (BIP), Synchronization (SP)
  • USB:
      • Yes
  • Other:
    • Computer sync, Infrared, SyncML

Other features

  • Notifications:
    • Service lights, Music ringtones (MP3), Polyphonic ringtones (40 voices), Vibration, Speakerphone
    • Voice dialing, Voice recording

Regulatory Approval

  • FCC approval:

    FCC approval - The Federal Communications Commission (FCC) is an independent United States government agency, directly responsible to Congress. The FCC was established by the Communications Act of 1934 and is charged with regulating interstate and international communications by radio, television, wire, satellite and cable. The FCC's jurisdiction covers the 50 states, the District of Columbia, and U.S. possessions. Every wireless phone device that that is sold in the U.S. has to be tested and approved for sale by the FCC.

    • Date approved:

      Date approved - Shows the date when the particular phone is approved by the Federal Communications Commission

      • 26 Aug 2005
      • FCC ID value:

        FCC ID value - Shows the FCC Identifying value of the particular phone

        PY7AC052011 link
  • FCC measured SAR:

    FCC measured SAR - The exposure standard for mobile devices employs a unit of measurement known as the Specific Absorption Rate, or SAR. The SAR limit stated in the international guidelines is 2.0 W/ kg*. Tests for SAR are conducted using standard operating positions with the device transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at the highest certified power level, the actual SAR of the device while operating can be well below the maximum value.

    • Head:
      • 0.37 W/kg
    • Measured in:
      • 1900 MHz
    • Body:
      • 0.38 W/kg
    • Measured in:
      • 1900 MHz
Indicates that this field is show only in Full Specs mode

Despite our efforts to provide full and correct Sony Ericsson Z520 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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