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Phone Samsung SGH-A437 / A436 Kyocera 3225 HTC SPV C550 (Hurricane) Casio G'zOne Rock Casio Exilim C721
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? 2.1" diag.
4 : 3
2.3" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~102 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~174 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 900 mAh ? ? 1,150 mAh 920 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - 1 megapixel 2 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? ? QVGA (320 x 240)
Front Camera - - - - -
Weight 2.9 oz
(82g)
4.23 oz
(120g)
3.77 oz
(107g)
4.4 oz
(125g)
4.48 oz
(127g)
Dimensions 3.74" x 1.89" x 0.63"
(95 x 48 x 16 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
4.25" x 1.81" x 0.69"
(108 x 46 x 17.5 mm)
4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
4.06" x 1.97" x 0.78"
(103 x 50 x 19.9 mm)
Form Factor Clamshell Slab Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) Windows Mobile Standard (proprietary) (proprietary)
Network Bands

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology EDGE 1xRTT GPRS EVDO rA EVDO rA
Features 
Flashlight - - - Yes Yes
GPS / Location - Yes n/a Yes Yes
Ruggedized - - - Yes Yes
Water-Resistant - - - Yes Yes
Accessibility
Adjustable Text Size - - n/a - Yes
Hearing Aid Compatible Yes * - - Yes Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display Yes - - Yes Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- Yes Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
USB - - Yes Yes Yes
Contacts
Picture ID Yes - n/a Yes Yes
Ringer ID Yes - n/a Yes Yes
Voice Dialing - Yes n/a Yes Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers - - n/a Yes 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 Yes
Side Keys Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - - n/a Yes -
EMS / Picture Messaging - Yes n/a - Yes
Instant Messaging Yes - n/a Yes Yes
MMS Yes - n/a Yes Yes
Text Messaging Templates Yes - n/a Yes Yes
Music
Music Player - - n/a Yes 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 - Yes
Voice Memo Yes - n/a Yes Yes
Software
BREW - Yes n/a Yes Yes
Games Yes Yes n/a Yes Yes
Java (J2ME) Yes - n/a - -
Voice
Headset Jack (2.5 mm) - Yes n/a Yes -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A437 / A436 Kyocera 3225 HTC SPV C550 (Hurricane) Casio G'zOne Rock Casio Exilim C721
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A437 / A436 Kyocera 3225 HTC SPV C550 (Hurricane) Casio G'zOne Rock Casio Exilim C721

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