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Phone Motorola Rival A455 Samsung SCH-A930 Nokia E90 Samsung Impression SGH-A877
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? 3.2" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
800 x 352 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
AMOLED
Display Refresh ? ? ? ?
Battery 940 mAh 1,000 mAh 1,500 mAh 1,000 mAh
Processor ? ? 332 MHz ARM 11 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 2 megapixel 1 megapixel 3 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) ? VGA (640 x 480) QVGA (320 x 240)
Front Camera - - - -
Weight 4.48 oz
(127g)
3.98 oz
(113g)
7.41 oz
(210g)
5.2 oz
(147g)
Dimensions 3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
3.59" x 1.89" x 0.98"
(91 x 48 x 24.9 mm)
5.2" x 2.24" x 0.79"
(132 x 57 x 20.1 mm)
4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
Form Factor Slide Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) S60 (Symbian) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

WCDMA: 1

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 EVDO r0 HSDPA 3.6 HSDPA 3.6
Features 
GPS / Location Yes Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- Yes
M3 (mostly compatible)
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display - Yes Yes -
Ringer Profiles - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - - Yes -
USB Yes
Micro-USB
Yes Yes
Mini-USB
Yes
Wi-Fi - - Yes
802.11 b,g
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing Yes Yes n/a -
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes - n/a Yes
Data & Network
Data Tethering Yes - n/a Yes
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry - Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes Yes
Touch Screen Yes - - Yes
Resistive
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client Yes - n/a Yes
EMS / Picture Messaging Yes Yes n/a -
Instant Messaging Yes Yes n/a Yes
MMS Yes Yes n/a Yes
Text Messaging Templates Yes - n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes - - -
Music Player Yes Yes n/a Yes
Stereo Speakers - Yes - -
Photo & Video
Video Calling - - n/a -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW Yes Yes n/a -
Games Yes Yes n/a Yes
Java (J2ME) - - n/a Yes
Voice
Headset Jack (2.5 mm) - Yes n/a -
Push-To-Talk - - Yes * -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Motorola Rival A455 Samsung SCH-A930 Nokia E90 Samsung Impression SGH-A877
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Phone Motorola Rival A455 Samsung SCH-A930 Nokia E90 Samsung Impression SGH-A877

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