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Phone Sharp Z-800 (Audiovox 7900) LG TP 5250 Ericsson T28 World Ericsson R278d Nokia 9290
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? ? ?
Display Resolution & Type ?
LCD (Color)
? ? 101 x 40 pixels 640 x 200 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? ? 500 mAh ? 1,300 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 4.25 oz
(120g)
3.5 oz
(99g)
3.14 oz
(89g)
9.28 oz
(263g)
8.6 oz
(244g)
Dimensions 3.6" x 2" x 1.1"
(91 x 51 x 27.9 mm)
3.3" x 1.8" x 0.98"
(84 x 46 x 24.9 mm)
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)
6.22" x 2.2" x 1.06"
(158 x 56 x 26.9 mm)
Form Factor Clamshell Clamshell Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 1900

AMPS: 850

GSM: 900, 1900

TDMA: 850, 1900

AMPS: 850

GSM: 1900

Data Technology - - - - -
Features 
Accessibility
Multiple Languages - Yes - Yes Yes
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - Yes Yes Yes
Connectivity
Infrared (IR) - - - - Yes
Contacts
Picture ID Yes - - - -
Ringer ID Yes - - - -
Voice Dialing - Yes Yes - -
Customization
Custom Graphics Yes Yes - - -
Custom Ringtones 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 -
Side Keys Yes Yes Yes Yes -
Text Keyboard, Hardware - - - - Yes
Memory
Memory Card Slot - - - - Yes
Messaging
Text Messaging Templates Yes - - - Yes
Productivity
Alarm Yes - Yes Yes Yes
Calculator - Yes Yes - Yes
Calendar - Yes - - Yes
To-Do List - - - - Yes
Voice Memo - Yes - - -
Software
BREW Yes - - - -
Games Yes Yes Yes - Yes
Java (J2ME) - - - - Yes
Voice
Headset Jack (2.5 mm) Yes Yes - - -
Speaker Phone - - - - Yes
  Sharp Z-800 (Audiovox 7900) LG TP 5250 Ericsson T28 World Ericsson R278d Nokia 9290
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp Z-800 (Audiovox 7900) LG TP 5250 Ericsson T28 World Ericsson R278d Nokia 9290

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