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Phone Kyocera DuraCore / DuraShock Nokia N75 Kyocera Energi K490 / K493 / K494 Samsung SCH-A990 Samsung SGH-A657
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
2.4" diag.
4 : 3
? ? ?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
104 x 80 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 1,360 mAh 800 mAh ? 1,000 mAh 1,420 mAh
Processor Qualcomm QSC6085 ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - 3 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - CIF (352 x 288) - ? -
Front Camera - - - - -
Weight 4.44 oz
(126g)
4.36 oz
(124g)
3.52 oz
(100g)
4.4 oz
(125g)
4.34 oz
(123g)
Dimensions 3.88" x 1.96" x 0.94"
(99 x 50 x 23.9 mm)
3.74" x 2.05" x 0.8"
(95 x 52 x 20.3 mm)
4.45" x 1.89" x 0.91"
(113 x 48 x 23.1 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
Form Factor Clamshell Clamshell Slab Clamshell Slab
Platform / OS (proprietary) S60 (Symbian) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

*

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA WCDMA (UMTS) 1xRTT EVDO r0 HSDPA 3.6
Features 
Flashlight - - Yes Yes Yes
GPS / Location Yes n/a Yes Yes Yes
Ruggedized Yes - - - Yes
Accessibility
Adjustable Text Size Yes n/a - - -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes
M3 (mostly compatible)
-
Multiple Languages Yes n/a Yes * Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display Yes Yes - Yes -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) - Yes - - -
USB Yes Yes Yes Yes Yes
Contacts
Picture ID - n/a - Yes Yes
Ringer ID Yes n/a Yes Yes Yes
Voice Dialing Yes n/a Yes Yes -
Customization
Changeable Body Plates - - Yes - -
Custom Graphics Yes n/a Yes Yes Yes
Custom Ringtones Yes n/a Yes Yes Yes
Real-Music Ringers Yes n/a - Yes Yes
Data & Network
Data Tethering - n/a Yes Yes Yes
WAP / Web Browser Yes n/a Yes Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes Yes
Side Keys Yes Yes - Yes Yes
Memory
Memory Card Slot - Yes - Yes Yes
Messaging
Email Client - n/a - - Yes
EMS / Picture Messaging - n/a Yes Yes -
Instant Messaging - n/a - - Yes
MMS Yes n/a - Yes Yes
Text Messaging Templates Yes n/a - Yes Yes
Music
FM Radio - Yes - - -
Music Player - n/a - Yes Yes
Stereo Speakers - Yes - Yes -
Photo & Video
TV Output - - - Yes -
Productivity
Alarm Yes n/a Yes Yes Yes
Calculator Yes n/a Yes Yes Yes
Calendar Yes n/a Yes Yes Yes
To-Do List - n/a - - Yes
Voice Memo Yes n/a - Yes Yes
Software
BREW - n/a Yes Yes -
Games Yes n/a Yes Yes Yes
Java (J2ME) Yes n/a - - Yes
Voice
Headset Jack (2.5 mm) Yes n/a Yes - -
Push-To-Talk Yes * - - - Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  Kyocera DuraCore / DuraShock Nokia N75 Kyocera Energi K490 / K493 / K494 Samsung SCH-A990 Samsung SGH-A657
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Kyocera DuraCore / DuraShock Nokia N75 Kyocera Energi K490 / K493 / K494 Samsung SCH-A990 Samsung SGH-A657

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