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Phone Ericsson T28 World Ericsson R278d Samsung SGH-X507 / X506
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? ?
Display Resolution & Type ? 101 x 40 pixels 128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 500 mAh ? 800 mAh
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - - -
Wide Camera - - -
Tele Camera - - -
Video Capture - - -
Front Camera - - -
Weight 3.14 oz
(89g)
9.28 oz
(263g)
2.9 oz
(82g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.3" x 1.75" x 0.75"
(84 x 44 x 19.1 mm)
Form Factor Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

TDMA: 850, 1900

AMPS: 850

GSM: 850, 900, 1800, 1900

Data Technology - - EDGE
Features 
Accessibility
Multiple Languages - Yes Yes
TTY/TDD (Digital) - - Yes
Alerts
Extra Display - - Yes
Ringer Profiles Yes Yes -
Connectivity
USB - - Yes
Contacts
Picture ID - - Yes
Ringer ID - - Yes
Voice Dialing Yes - -
Customization
Custom Graphics - - Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers - - Yes
Data & Network
Data Tethering Yes Yes Yes
WAP / Web Browser - Yes Yes
Input
Predictive Text Entry - Yes Yes
Side Keys Yes Yes Yes
Messaging
Email Client - - Yes *
EMS / Picture Messaging - - Yes
Instant Messaging - - Yes
MMS - - Yes
Text Messaging Templates - - Yes
Productivity
Alarm Yes Yes Yes
Calculator Yes - Yes
Calendar - - Yes
Voice Memo - - Yes
Software
Games Yes - Yes
Java (J2ME) - - Yes
Voice
Headset Jack (2.5 mm) - - Yes
Speaker Phone - - Yes
  * Some versions only
  Ericsson T28 World Ericsson R278d Samsung SGH-X507 / X506
  X > < X > < X

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

 
Phone Ericsson T28 World Ericsson R278d Samsung SGH-X507 / X506

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