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Phone Samsung Galaxy Ring / Prevail 2 ZTE Blade Vantage BlackBerry Curve 3G 9330 Samsung SPH-i550
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 4" diag.
5 : 3
5" diag.
16 : 9
2.5" diag.
4 : 3
?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ?
Battery 1,750 mAh 2,500 mAh 1,150 mAh ?
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 200 MHz Motorola MX-1
RAM 1 GB 2 GB ? ?
Storage 4 GB 16 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 8 megapixel 2 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 720p HD ? ?
Front Camera 1 megapixel 2 megapixel - -
Weight 3.4 oz
(96g)
5.29 oz
(150g)
3.7 oz
(105g)
?
Dimensions 4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
5.73" x 2.85" x 0.36"
(146 x 72 x 9.2 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
Platform / OS Android Android BlackBerry OS Palm OS
Network Bands

CDMA: 800, 850, 1900

4G LTE: 2, 4, 5, 13

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology EVDO rA LTE (Cat 4) EVDO r0 1xRTT
Features 
Flashlight - Yes - -
Accessibility
Hearing Aid Compatible Yes Yes Yes -
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes Yes -
Infrared (IR) - - - Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
-
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen Yes Yes - Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes -
Photo & Video
DLNA Yes - - -
Voice
HD Voice - Yes - -
Speaker Phone Yes Yes Yes -
  Samsung Galaxy Ring / Prevail 2 ZTE Blade Vantage BlackBerry Curve 3G 9330 Samsung SPH-i550
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Phone Samsung Galaxy Ring / Prevail 2 ZTE Blade Vantage BlackBerry Curve 3G 9330 Samsung SPH-i550

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