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Phone ZTE C88 Ericsson T28 World Motorola T191 Motorola V878 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
? ? ? ?
Display Resolution & Type 176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
? 98 x 64 pixels 128 x 160 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
Display Refresh ? ? ? ? ?
Battery 800 mAh 500 mAh ? ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - - Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - ? -
Front Camera - - - - -
Weight 3.46 oz
(98g)
3.14 oz
(89g)
3.49 oz
(99g)
2.82 oz
(80g)
5.01 oz
(142g)
Dimensions 3.85" x 1.92" x 0.7"
(98 x 49 x 17.8 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.17" x 1.57" x 0.59"
(106 x 40 x 15 mm)
3.23" x 1.65" x 0.85"
(82 x 42 x 21.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Clamshell Flip Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) BlackBerry OS
Network Bands

CDMA: 850, 1900

GSM: 900, 1900

GSM: 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT - - GPRS 1xRTT
Features 
GPS / Location Yes - - - n/a
Accessibility
Multiple Languages Yes - Yes Yes n/a
TTY/TDD (Digital) Yes - - - Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles - Yes Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
- - - -
USB Yes
Micro-USB
- - Yes Yes
Contacts
Picture ID - - - Yes n/a
Ringer ID Yes - - Yes n/a
Voice Dialing Yes Yes Yes Yes n/a
Customization
Custom Graphics Yes - Yes Yes n/a
Custom Ringtones Yes Yes Yes Yes n/a
Real-Music Ringers Yes - - - n/a
Data & Network
Data Tethering - Yes Yes Yes n/a
WAP / Web Browser Yes - Yes Yes n/a
Input
Predictive Text Entry Yes - Yes Yes n/a
Side Keys Yes Yes - Yes Yes
Text Keyboard, Hardware - - - - Yes
Messaging
Email Client Yes - - - n/a
EMS / Picture Messaging - - - Yes n/a
Instant Messaging Yes - - - n/a
MMS Yes - - Yes n/a
Text Messaging Templates Yes - Yes - n/a
Productivity
Alarm Yes Yes Yes Yes n/a
Calculator Yes Yes Yes Yes n/a
Calendar Yes - Yes Yes n/a
To-Do List - - - - n/a
Voice Memo Yes - Yes Yes n/a
Software
BREW Yes - - - n/a
Games Yes Yes Yes Yes n/a
Java (J2ME) - - - Yes n/a
Voice
Headset Jack (2.5 mm) - - Yes - n/a
Speaker Phone Yes - - - -
  ZTE C88 Ericsson T28 World Motorola T191 Motorola V878 BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE C88 Ericsson T28 World Motorola T191 Motorola V878 BlackBerry 7750

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