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Phone Ericsson T28 World Motorola E310 Ericsson R278d LG TP 5250 LG 4NE1
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ? 128 x 128 pixels
LCD (STN)
101 x 40 pixels ? ?
Display Refresh ? ? ? ? ?
Battery 500 mAh ? ? ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - -
Front Camera - - - - -
Weight 3.14 oz
(89g)
3.53 oz
(100g)
9.28 oz
(263g)
3.5 oz
(99g)
3.7 oz
(105g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
1.88" x 3.43" x 0.94"
(48 x 87 x 23.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.3" x 1.8" x 0.98"
(84 x 46 x 24.9 mm)
4.41" x 1.73" x 0.75"
(112 x 44 x 19.1 mm)
Form Factor Flip Clamshell Slab Clamshell Flip
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

CDMA: 1900

AMPS: 850

CDMA: 1900

AMPS: 850

Data Technology - 1xRTT - - -
Features 
GPS / Location - Yes - - -
Accessibility
Multiple Languages - Yes Yes Yes Yes
TTY/TDD (Digital) - Yes - - -
Alerts
Extra Display - Yes - Yes -
Ringer Profiles Yes Yes Yes - -
Connectivity
USB - Yes - - -
Contacts
Ringer ID - - - - Yes
Voice Dialing Yes Yes - Yes Yes
Customization
Changeable Body Plates - Yes - - Yes
Custom Graphics - Yes - Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Data & Network
Data Tethering Yes Yes Yes Yes Yes
WAP / Web Browser - Yes Yes Yes Yes
Input
Predictive Text Entry - Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Messaging
EMS / Picture Messaging - Yes - - -
MMS - Yes - - -
Text Messaging Templates - Yes - - -
Productivity
Alarm Yes - Yes - -
Calculator Yes Yes - Yes Yes
Calendar - Yes - Yes Yes
Voice Memo - Yes - Yes Yes
Software
BREW - Yes - - -
Games Yes Yes - Yes Yes
Voice
Headset Jack (2.5 mm) - Yes - Yes Yes
Speaker Phone - - - - Yes
  Ericsson T28 World Motorola E310 Ericsson R278d LG TP 5250 LG 4NE1
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T28 World Motorola E310 Ericsson R278d LG TP 5250 LG 4NE1

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