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Phone BlackBerry 7750 Apple iPhone 4 (GSM) BlackBerry Storm2 9550 Siemens A56 / A56i Motorola v66i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 3.5" diag.
5 : 3
3.3" diag.
4 : 3
? ?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
101 x 64 pixels ?
Display Refresh ? 60 Hz ? ? ?
Battery ? ? 1,400 mAh 700 mAh ?
Processor ? Apple A4 ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware 32 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera - 5 megapixel 3 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD ? - -
Front Camera - Yes - - -
Weight 5.01 oz
(142g)
4.8 oz
(136g)
5.64 oz
(160g)
3 oz
(85g)
2.79 oz
(79g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
3.3" x 1.7" x 0.83"
(84 x 43 x 21.1 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS BlackBerry OS iOS BlackBerry OS (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

GSM: 850, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT HSPA 7.2 EVDO rA - GPRS
Features 
GPS / Location n/a n/a n/a Yes -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- -
Multiple Languages n/a n/a n/a - Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Ringer Profiles Yes - Yes Yes -
Connectivity
Bluetooth - Yes Yes - -
Mobile Hotspot n/a n/a n/a - -
USB Yes Yes Yes - Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
- -
Contacts
Picture ID n/a n/a n/a Yes -
Ringer ID n/a n/a n/a Yes Yes
Voice Dialing n/a n/a n/a - Yes
Customization
Changeable Body Plates - - - Yes Yes
Custom Graphics n/a n/a n/a Yes -
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a - -
Data & Network
Data Tethering n/a n/a n/a - Yes
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot - - Yes - -
Messaging
Email Client n/a n/a n/a - -
EMS / Picture Messaging n/a n/a n/a Yes Yes
Instant Messaging n/a n/a n/a - -
MMS n/a n/a n/a - -
Music
Headphone Jack (3.5mm) - Yes Yes - -
Music Player n/a n/a n/a - -
Photo & Video
TV Output - Yes - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a - Yes
To-Do List n/a n/a n/a - -
Voice Memo n/a n/a n/a - Yes
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a - Yes
Voice
Headset Jack (2.5 mm) n/a n/a n/a - Yes
Speaker Phone - Yes Yes - -
  * Some versions only
  BlackBerry 7750 Apple iPhone 4 (GSM) BlackBerry Storm2 9550 Siemens A56 / A56i Motorola v66i
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Apple iPhone 4 (GSM) BlackBerry Storm2 9550 Siemens A56 / A56i Motorola v66i

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