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Phone Apple iPhone 4 (CDMA) Ericsson T28 World BlackBerry Storm2 9550 Sharp Sidekick LX 2009
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
? 3.3" diag.
4 : 3
3.2" diag.
16 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
? 360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ?
Battery ? 500 mAh 1,400 mAh 1,250 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage 8 GB * ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel - 3 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD - ? QVGA (320 x 240)
Front Camera Yes - - -
Weight 4.8 oz
(136g)
3.14 oz
(89g)
5.64 oz
(160g)
5.78 oz
(164g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
Form Factor Slab Flip Slab Swivel
Platform / OS iOS (proprietary) BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA - EVDO rA HSPA 7.2
Features 
GPS / Location n/a - n/a Yes
Accessibility
Adjustable Text Size n/a - n/a Yes
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Multiple Languages n/a - n/a Yes
TTY/TDD (Digital) - - Yes -
Alerts
Ringer Profiles - Yes Yes Yes
Connectivity
Bluetooth Yes - Yes Yes
Mobile Hotspot n/a - n/a -
USB Yes - Yes Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
802.11 b,g
-
Contacts
Picture ID n/a - n/a Yes
Ringer ID n/a - n/a Yes
Voice Dialing n/a Yes n/a -
Customization
Custom Graphics n/a - n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a Yes
Data & Network
Data Tethering n/a Yes n/a -
WAP / Web Browser n/a - n/a Yes
Input
Predictive Text Entry n/a - n/a -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client n/a - n/a Yes
Instant Messaging n/a - n/a Yes
MMS n/a - n/a Yes
Text Messaging Templates n/a - n/a Yes
Music
Headphone Jack (3.5mm) Yes - Yes Yes
Music Player n/a - n/a Yes
Photo & Video
TV Output Yes - - -
Video Calling n/a - n/a -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a -
Calendar n/a - n/a Yes
To-Do List n/a - n/a Yes
Voice Memo n/a - n/a -
Software
Games n/a Yes n/a Yes
Java (J2ME) n/a - n/a Yes
Voice
Speaker Phone Yes - Yes Yes
  Apple iPhone 4 (CDMA) Ericsson T28 World BlackBerry Storm2 9550 Sharp Sidekick LX 2009
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (CDMA) Ericsson T28 World BlackBerry Storm2 9550 Sharp Sidekick LX 2009

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