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Phone Sony Ericsson J300a Samsung SPH-A520 Cal-Comp EZ
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? ?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
?
LCD (STN)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ?
Battery ? ? 800 mAh
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - - -
Wide Camera - - -
Tele Camera - - -
Video Capture - - -
Front Camera - - -
Weight 2.75 oz
(78g)
3.6 oz
(102g)
2.47 oz
(70g)
Dimensions 3.9" x 1.68" x 0.72"
(99 x 43 x 18.3 mm)
3.46" x 1.83" x 0.91"
(88 x 46 x 23.1 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
Form Factor Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology GPRS 1xRTT 1xRTT
Features 
GPS / Location - Yes Yes
Accessibility
Multiple Languages - Yes Yes
TTY/TDD (Digital) Yes - -
Alerts
Extra Display - Yes -
Ringer Profiles Yes - -
Connectivity
USB Yes - Yes
Mini-USB
Contacts
Picture ID Yes Yes -
Ringer ID - Yes -
Voice Dialing Yes Yes -
Customization
Changeable Body Plates Yes - -
Custom Graphics Yes Yes -
Custom Ringtones Yes Yes -
Data & Network
Data Tethering Yes Yes -
WAP / Web Browser Yes Yes -
Input
Predictive Text Entry Yes Yes -
Side Keys - Yes -
Messaging
Email Client Yes - -
EMS / Picture Messaging Yes - -
MMS Yes - -
Text Messaging Templates - - Yes
Productivity
Alarm Yes Yes Yes
Calculator Yes Yes Yes
Calendar Yes Yes Yes
To-Do List Yes Yes Yes
Voice Memo Yes Yes Yes *
Software
Games Yes Yes -
Java (J2ME) Yes - -
Voice
Headset Jack (2.5 mm) - Yes Yes
Speaker Phone Yes - -
  * Some versions only
  Sony Ericsson J300a Samsung SPH-A520 Cal-Comp EZ
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson J300a Samsung SPH-A520 Cal-Comp EZ

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