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Phone Kyocera KX12 Samsung SGH-A657 HTC Touch Pro2 (CDMA) Motorola i90c Motorola Rival A455
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.6" diag.
5 : 3
? 2.2" diag.
4 : 3
Display Resolution & Type 128 x 128 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~259 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,800 mAh 1,420 mAh 1,500 mAh ? 940 mAh
Processor ? ? 528 MHz MSM7600 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 3 megapixel - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? - QVGA (320 x 240)
Front Camera - - - - -
Weight 4.62 oz
(131g)
4.34 oz
(123g)
6.35 oz
(180g)
5.33 oz
(151g)
4.48 oz
(127g)
Dimensions 4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.57" x 2.33" x 0.68"
(116 x 59 x 17.3 mm)
3.5" x 2" x 1.1"
(89 x 51 x 27.9 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
Form Factor Slab Slab Slab Clamshell Slide
Platform / OS (proprietary) (proprietary) Windows Mobile Professional (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

iDEN: 800

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 3.6 EVDO rA - EVDO r0
Features 
Flashlight Yes Yes - - -
GPS / Location Yes Yes n/a - Yes
Ruggedized Yes Yes - - -
Accessibility
Adjustable Text Size - - n/a - -
Hearing Aid Compatible - - Yes - Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth - Yes Yes - Yes
USB - Yes Yes - Yes
Micro-USB
Wi-Fi - - Yes - -
Contacts
Picture ID Yes Yes n/a - Yes
Ringer ID Yes Yes n/a - Yes
Voice Dialing Yes - n/a Yes Yes
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 Yes n/a Yes Yes
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes -
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - - Yes - Yes
Touch Screen - - Yes - Yes
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - Yes n/a - Yes
EMS / Picture Messaging Yes - n/a - Yes
Instant Messaging - Yes n/a - Yes
MMS - Yes n/a - Yes
Text Messaging Templates Yes Yes n/a - Yes
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - Yes n/a - Yes
Photo & Video
TV Output - - Yes - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List - Yes n/a - -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW Yes * - n/a - Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) - Yes n/a Yes -
Voice
Headset Jack (2.5 mm) Yes - n/a Yes -
Push-To-Talk Yes Yes - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Kyocera KX12 Samsung SGH-A657 HTC Touch Pro2 (CDMA) Motorola i90c Motorola Rival A455
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera KX12 Samsung SGH-A657 HTC Touch Pro2 (CDMA) Motorola i90c Motorola Rival A455

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