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Phone Casio G'zOne Rock Coolpad Quattro 4G Samsung SGH-A127 Samsung SGH-i250
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 2.1" diag.
4 : 3
4" diag.
5 : 3
? ?
Display Resolution & Type 240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 1,150 mAh 1,600 mAh 800 mAh ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware 512 MB ? raw hardware ? raw hardware
Main Camera 2 megapixel 3 megapixel Yes 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? VGA (640 x 480) - ?
Front Camera - Yes - -
Weight 4.4 oz
(125g)
3.31 oz
(94g)
2.86 oz
(81g)
4.59 oz
(130g)
Dimensions 4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
4.96" x 2.6" x 0.51"
(126 x 66 x 13 mm)
3.39" x 1.67" x 0.76"
(86 x 42 x 19.3 mm)
3.7" x 1.97" x 1.02"
(94 x 50 x 25.9 mm)
Form Factor Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) Android (proprietary) Windows Mobile Standard
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

GSM: 850, 1900

GSM: 900, 1800, 1900

Data Technology EVDO rA LTE (Cat 3) GPRS GPRS
Features 
Flashlight Yes - - -
GPS / Location Yes n/a - n/a
Ruggedized Yes - - -
Water-Resistant Yes - - -
Accessibility
Hearing Aid Compatible Yes Yes - -
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - Yes Yes
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Mobile Hotspot - n/a - n/a
USB Yes Yes - -
Wi-Fi - Yes - -
Contacts
Picture ID Yes n/a - n/a
Ringer ID Yes n/a Yes n/a
Voice Dialing Yes n/a - n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering Yes n/a - n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client Yes n/a - n/a
Instant Messaging Yes n/a - n/a
MMS Yes n/a Yes n/a
Text Messaging Templates Yes n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes - -
Music Player Yes n/a - n/a
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a Yes n/a
Voice Memo Yes n/a Yes n/a
Software
BREW Yes n/a - n/a
Games Yes n/a Yes n/a
Java (J2ME) - n/a Yes n/a
Voice
Headset Jack (2.5 mm) Yes n/a - n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes -
  Casio G'zOne Rock Coolpad Quattro 4G Samsung SGH-A127 Samsung SGH-i250
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Phone Casio G'zOne Rock Coolpad Quattro 4G Samsung SGH-A127 Samsung SGH-i250

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