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Phone ZTE Concord II BlackBerry 7750 BlackBerry Curve 8300 Apple iPhone 4 (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? ? 3.5" diag.
5 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
320 x 240 pixels
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz
Battery 1,820 mAh ? ? ?
Processor 1.2 GHz Qualcomm MSM8210 ? ? ?
RAM 1 GB ? ? ?
Storage 4 GB ? raw hardware ? raw hardware 8 GB *
Main Camera 5 megapixel - 2 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD - - 720p HD
Front Camera - - - Yes
Weight 4.4 oz
(125g)
5.01 oz
(142g)
3.92 oz
(111g)
4.8 oz
(136g)
Dimensions 4.96" x 2.56" x 0.42"
(126 x 65 x 10.7 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
Platform / OS Android BlackBerry OS BlackBerry OS iOS
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA+ 21 1xRTT EDGE EVDO rA
Features 
Accessibility
Hearing Aid Compatible Yes - - Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
-
Yes
Classic Audio
Yes
Classic Audio
USB Yes
Micro-USB
Yes Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes -
Touch Screen Yes - - Yes
Memory
Memory Card Slot Yes - Yes -
Music
Headphone Jack (3.5mm) Yes - Yes Yes
Photo & Video
TV Output - - - Yes
Voice
HD Voice Yes - - -
Push-To-Talk - - Yes * -
Speaker Phone Yes - Yes Yes
  * Some versions only
  ZTE Concord II BlackBerry 7750 BlackBerry Curve 8300 Apple iPhone 4 (CDMA)
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Concord II BlackBerry 7750 BlackBerry Curve 8300 Apple iPhone 4 (CDMA)

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