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Phone Kyocera KX12 Samsung Rugby A837 Samsung SCH-A610 Samsung SGH-A657 Nokia N90
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2" diag.
4 : 3
? ? ?
Display Resolution & Type 128 x 128 pixels
LCD (STN)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,800 mAh 1,000 mAh 1,300 mAh 1,420 mAh 760 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 1 megapixel Yes - 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) - - CIF (352 x 288)
Front Camera - - - - -
Weight 4.62 oz
(131g)
4.66 oz
(132g)
4.23 oz
(120g)
4.34 oz
(123g)
6.1 oz
(173g)
Dimensions 4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.5" x 1.9" x 0.9"
(89 x 48 x 22.9 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
Form Factor Slab Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) S60 (Symbian)
Network Bands

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

GSM: 900, 1800, 1900

Data Technology 1xRTT HSDPA 3.6 1xRTT HSDPA 3.6 EDGE
Features 
Flashlight Yes - - Yes -
GPS / Location Yes Yes Yes Yes n/a
Ruggedized Yes Yes - Yes -
Accessibility
Hearing Aid Compatible - Yes - - -
Multiple Languages Yes Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display - Yes - - Yes
Ringer Profiles - - - - Yes
Connectivity
Bluetooth - Yes - Yes Yes
USB - Yes - Yes Yes
Contacts
Picture ID Yes Yes Yes Yes n/a
Ringer ID Yes Yes Yes Yes n/a
Voice Dialing Yes - Yes - n/a
Customization
Custom Graphics Yes 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 Yes n/a
WAP / Web Browser Yes Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - Yes - Yes n/a
EMS / Picture Messaging Yes - Yes - n/a
Instant Messaging - Yes - Yes n/a
MMS - Yes Yes Yes n/a
Text Messaging Templates Yes Yes Yes Yes n/a
Music
Music Player - Yes - Yes n/a
Photo & Video
Video Calling - - - - n/a
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes Yes Yes Yes n/a
To-Do List - - Yes Yes n/a
Voice Memo Yes Yes Yes Yes n/a
Software
BREW Yes * - Yes - n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) - Yes - Yes n/a
Voice
Headset Jack (2.5 mm) Yes - Yes - n/a
Push-To-Talk Yes Yes - Yes Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Kyocera KX12 Samsung Rugby A837 Samsung SCH-A610 Samsung SGH-A657 Nokia N90
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera KX12 Samsung Rugby A837 Samsung SCH-A610 Samsung SGH-A657 Nokia N90

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