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Phone Motorola EM330 / EM28 Motorola Rival A455 Samsung Transform Ultra BlackBerry Curve 3G 9330
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
2.2" diag.
4 : 3
3.5" diag.
5 : 3
2.5" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 940 mAh 940 mAh 1,500 mAh 1,150 mAh
Processor ? ? 1 GHz Qualcomm Snapdragon S2 MSM8655 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 2 megapixel 3 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QVGA (320 x 240) VGA (640 x 480) ?
Front Camera - - Yes -
Weight 3.17 oz
(90g)
4.48 oz
(127g)
4.9 oz
(139g)
3.7 oz
(105g)
Dimensions 3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
Form Factor Clamshell Slide Slide Slab
Platform / OS (proprietary) (proprietary) Android BlackBerry OS
Network Bands

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

CDMA: 800, 850, 1900

CDMA: 850, 1900

Data Technology EDGE EVDO r0 EVDO rA EVDO r0
Features 
GPS / Location - Yes n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Mobile Hotspot - - n/a n/a
USB Yes
Mini-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
Yes
802.11 b,g
Contacts
Picture ID - Yes n/a n/a
Ringer ID - Yes n/a n/a
Voice Dialing - Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes Yes n/a n/a
Data & Network
Data Tethering - Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes - n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes Yes
Touch Screen - Yes Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - Yes n/a n/a
EMS / Picture Messaging Yes Yes n/a n/a
Instant Messaging - Yes n/a n/a
MMS Yes Yes n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player Yes Yes n/a n/a
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List - - n/a n/a
Voice Memo - Yes n/a n/a
Software
BREW - Yes n/a n/a
Games Yes Yes n/a n/a
Java (J2ME) Yes - n/a n/a
Voice
Speaker Phone Yes Yes Yes Yes
  Motorola EM330 / EM28 Motorola Rival A455 Samsung Transform Ultra BlackBerry Curve 3G 9330
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Phone Motorola EM330 / EM28 Motorola Rival A455 Samsung Transform Ultra BlackBerry Curve 3G 9330

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