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Phone LG VX-8550 Chocolate Samsung SPH-N270 (Matrix Phone) Samsung Rugby A837 Samsung SPH-i550 Samsung SCH-U430
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size ? ? 2" diag.
4 : 3
? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh 1,000 mAh 1,000 mAh ? 1,000 mAh
Processor ? ? ? 200 MHz Motorola MX-1 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - 1 megapixel 1 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QCIF (176 x 144) - QCIF (176 x 144) ? -
Front Camera - - - - -
Weight 3.24 oz
(92g)
4.66 oz
(132g)
4.66 oz
(132g)
? 3.21 oz
(91g)
Dimensions 3.85" x 1.87" x 0.67"
(98 x 47 x 17 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
3.67" x 1.85" x 0.78"
(93 x 47 x 19.8 mm)
Form Factor Slide Slide Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) Palm OS (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EVDO r0 - HSDPA 3.6 1xRTT 1xRTT
Features 
GPS / Location Yes Yes Yes n/a Yes
Ruggedized - - Yes - -
Accessibility
Adjustable Text Size - - - n/a Yes
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - - - Yes -
USB Yes - Yes - -
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing Yes Yes - n/a Yes
Customization
Custom Graphics Yes - Yes n/a Yes
Custom Ringtones Yes - Yes n/a Yes
Real-Music Ringers Yes - Yes n/a -
Data & Network
Data Tethering Yes - Yes n/a -
WAP / Web Browser Yes - Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes - Yes Yes Yes
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - Yes Yes -
Messaging
Email Client - - Yes n/a Yes
EMS / Picture Messaging - - - n/a Yes
Instant Messaging - - Yes n/a Yes
MMS Yes - Yes n/a Yes
Text Messaging Templates Yes - Yes n/a Yes
Music
Music Player Yes - Yes n/a -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List - Yes - n/a -
Voice Memo Yes Yes Yes n/a Yes
Software
BREW Yes - - n/a Yes
Games Yes - Yes n/a Yes
Java (J2ME) - - Yes n/a -
Voice
Headset Jack (2.5 mm) Yes Yes - n/a Yes
Push-To-Talk - - Yes - -
Speaker Phone Yes - Yes - Yes
  LG VX-8550 Chocolate Samsung SPH-N270 (Matrix Phone) Samsung Rugby A837 Samsung SPH-i550 Samsung SCH-U430
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG VX-8550 Chocolate Samsung SPH-N270 (Matrix Phone) Samsung Rugby A837 Samsung SPH-i550 Samsung SCH-U430

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