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Phone BlackBerry 7750 Ericsson T28 World Motorola Defy XT Kyocera KX12
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 3.7" diag.
16 : 9
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
? 480 x 854 pixels
(~265 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ?
Battery ? 500 mAh 1,650 mAh 1,800 mAh
Processor ? ? ? ?
RAM ? ? 512 MB ?
Storage ? raw hardware ? raw hardware 1 GB ? raw hardware
Main Camera - - 5 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - WVGA / 480p -
Front Camera - - Yes -
Weight 5.01 oz
(142g)
3.14 oz
(89g)
4.06 oz
(115g)
4.62 oz
(131g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.53" x 2.3" x 0.47"
(115 x 58 x 11.9 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
Form Factor Slab Flip Slab Slab
Platform / OS BlackBerry OS (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT - EVDO rA 1xRTT
Features 
Flashlight - - - Yes
GPS / Location n/a - n/a Yes
Ruggedized - - Yes Yes
Water-Resistant - - Yes -
Accessibility
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages n/a - n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth - - Yes -
Mobile Hotspot n/a - n/a -
USB Yes - Yes
Micro-USB
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a - n/a Yes
Ringer ID n/a - n/a Yes
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a - n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a - n/a -
Data & Network
Data Tethering n/a Yes n/a Yes
WAP / Web Browser n/a - n/a Yes
Input
Predictive Text Entry n/a - n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes -
Messaging
Email Client n/a - n/a -
EMS / Picture Messaging n/a - n/a Yes
Instant Messaging n/a - n/a -
MMS n/a - n/a -
Text Messaging Templates n/a - n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Music Player n/a - n/a -
Photo & Video
DLNA - - Yes -
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a - n/a Yes
To-Do List n/a - n/a -
Voice Memo n/a - n/a Yes
Software
BREW n/a - n/a Yes *
Games n/a Yes n/a Yes
Java (J2ME) n/a - n/a -
Voice
Headset Jack (2.5 mm) n/a - n/a Yes
Push-To-Talk - - - Yes
Speaker Phone - - Yes Yes
  * Some versions only
  BlackBerry 7750 Ericsson T28 World Motorola Defy XT Kyocera KX12
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Phone BlackBerry 7750 Ericsson T28 World Motorola Defy XT Kyocera KX12

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