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Phone Ericsson T28 World Motorola Rival A455 LG AX-490 Samsung SGH-X400 BlackBerry Storm2 9550
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.2" diag.
4 : 3
? ? 3.3" diag.
4 : 3
Display Resolution & Type ? 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 500 mAh 940 mAh 1,100 mAh 620 mAh 1,400 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel Yes - 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) - - ?
Front Camera - - - - -
Weight 3.14 oz
(89g)
4.48 oz
(127g)
3.79 oz
(107g)
3.17 oz
(90g)
5.64 oz
(160g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
3.39" x 1.81" x 0.8"
(86 x 46 x 20.3 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
Form Factor Flip Slide Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

GSM: 900, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology - EVDO r0 1xRTT GPRS EVDO rA
Features 
GPS / Location - Yes Yes - n/a
Accessibility
Adjustable Text Size - - - - n/a
Hearing Aid Compatible - Yes Yes - Yes
Multiple Languages - Yes Yes Yes n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - Yes Yes -
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
Yes
Classic Audio
Infrared (IR) - - - Yes -
USB - Yes
Micro-USB
Yes - Yes
Wi-Fi - - - - Yes
802.11 b,g
Contacts
Picture ID - Yes Yes Yes n/a
Ringer ID - Yes Yes Yes n/a
Voice Dialing Yes Yes Yes - n/a
Customization
Custom Graphics - Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers - Yes Yes - n/a
Data & Network
Data Tethering Yes Yes Yes - n/a
WAP / Web Browser - Yes Yes Yes n/a
Input
Predictive Text Entry - - - Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes - -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes - - Yes
Messaging
Email Client - Yes - - n/a
EMS / Picture Messaging - Yes - Yes n/a
Instant Messaging - Yes - - n/a
MMS - Yes Yes - n/a
Text Messaging Templates - Yes Yes Yes n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes - - Yes
Music Player - Yes - - n/a
Stereo Speakers - - Yes - -
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar - Yes Yes Yes n/a
To-Do List - - - Yes n/a
Voice Memo - Yes Yes - n/a
Software
BREW - Yes Yes - n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) - - - Yes n/a
Voice
Headset Jack (2.5 mm) - - Yes Yes n/a
Speaker Phone - Yes Yes - Yes
  Ericsson T28 World Motorola Rival A455 LG AX-490 Samsung SGH-X400 BlackBerry Storm2 9550
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Phone Ericsson T28 World Motorola Rival A455 LG AX-490 Samsung SGH-X400 BlackBerry Storm2 9550

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