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Phone LG AX-490 Samsung Rugby A837 Samsung SGH-X820 Samsung Trance SCH-U490 Samsung Glyde U940
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
? 2.1" diag.
4 : 3
2.8" diag.
16.5 : 9
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,100 mAh 1,000 mAh 650 mAh ? 1,000 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes 1 megapixel 2 megapixel 1 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) ? - QVGA (320 x 240)
Front Camera - - - - -
Weight 3.79 oz
(107g)
4.66 oz
(132g)
2.33 oz
(66g)
3.53 oz
(100g)
4.2 oz
(119g)
Dimensions 3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
Form Factor Clamshell Clamshell Slab Slide Slide
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 3.6 EDGE 1xRTT EVDO r0
Features 
GPS / Location Yes Yes - Yes Yes
Ruggedized - Yes - - -
Accessibility
Adjustable Text Size - - - Yes -
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages Yes Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
USB Yes Yes Yes Yes Yes
Contacts
Picture ID Yes Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes Yes
Voice Dialing Yes - - Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers Yes Yes Yes Yes Yes
Data & Network
Data Tethering Yes Yes - Yes Yes
External Antenna Jack - - Yes - -
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry - Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - Yes Yes - -
EMS / Picture Messaging - - Yes - -
Instant Messaging - Yes - - -
MMS Yes Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - Yes - Yes Yes
Stereo Speakers Yes - - - -
Photo & Video
TV Output - - Yes - -
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar Yes Yes Yes Yes Yes
To-Do List - - Yes - -
Voice Memo Yes Yes Yes Yes -
Software
BREW Yes - - Yes Yes
Games Yes Yes Yes Yes Yes
Java (J2ME) - Yes Yes - -
Voice
Headset Jack (2.5 mm) Yes - - - Yes
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes Yes
  LG AX-490 Samsung Rugby A837 Samsung SGH-X820 Samsung Trance SCH-U490 Samsung Glyde U940
  X > < X > < X > < X > < X

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

 
Phone LG AX-490 Samsung Rugby A837 Samsung SGH-X820 Samsung Trance SCH-U490 Samsung Glyde U940

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