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Phone ZTE C88 Samsung SGH-X820 BlackBerry 7750 HTC Shadow Apple iPhone 4 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? 2.6" diag.
4 : 3
3.5" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 800 mAh 650 mAh ? 920 mAh ?
Processor ? ? ? 200 MHz OMAP 850 ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 8 GB *
Main Camera Yes 2 megapixel - 2 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? - ? 720p HD
Front Camera - - - - Yes
Weight 3.46 oz
(98g)
2.33 oz
(66g)
5.01 oz
(142g)
5.29 oz
(150g)
4.8 oz
(136g)
Dimensions 3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.06" x 2.09" x 0.59"
(103 x 53 x 15 mm)
4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
Form Factor Clamshell Slab Slab Slide Slab
Platform / OS (proprietary) (proprietary) BlackBerry OS Windows Mobile Standard iOS
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT EDGE 1xRTT EDGE EVDO rA
Features 
GPS / Location Yes - n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - - - - Yes
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes - -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot - - n/a n/a n/a
USB Yes
Micro-USB
Yes Yes Yes
Mini-USB
Yes
Wi-Fi - - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes Yes n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
External Antenna Jack - Yes n/a n/a n/a
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - - - - Yes
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client Yes Yes n/a n/a n/a
EMS / Picture Messaging - Yes n/a n/a n/a
Instant Messaging Yes - n/a n/a n/a
MMS Yes Yes n/a n/a n/a
Text Messaging Templates Yes Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player - - n/a n/a n/a
Photo & Video
TV Output - Yes - - Yes
Video Calling - - n/a n/a n/a
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List - Yes n/a n/a n/a
Voice Memo Yes Yes n/a n/a n/a
Software
BREW Yes - n/a n/a n/a
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
Headset Jack (2.5 mm) - - n/a n/a n/a
Speaker Phone Yes Yes - Yes Yes
  ZTE C88 Samsung SGH-X820 BlackBerry 7750 HTC Shadow Apple iPhone 4 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE C88 Samsung SGH-X820 BlackBerry 7750 HTC Shadow Apple iPhone 4 (CDMA)

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