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Phone BlackBerry 7750 LG PM-225 Motorola EM330 / EM28 Samsung SPH-N270 (Matrix Phone) Samsung Trance SCH-U490
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 1.8" diag.
4 : 3
? 2.1" diag.
4 : 3
Display Resolution & Type 240 x 240 pixels
LCD (Color)
128 x 160 pixels
LCD (STN)
128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery ? 1,000 mAh 940 mAh 1,000 mAh ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes 1 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? - -
Front Camera - - - - -
Weight 5.01 oz
(142g)
3.35 oz
(95g)
3.17 oz
(90g)
4.66 oz
(132g)
3.53 oz
(100g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
3.71" x 1.95" x 0.68"
(94 x 50 x 17.4 mm)
4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
Form Factor Slab Clamshell Clamshell Slide Slide
Platform / OS BlackBerry OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology 1xRTT 1xRTT EDGE - 1xRTT
Features 
GPS / Location n/a Yes - Yes Yes
Accessibility
Adjustable Text Size n/a - - - Yes
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes Yes - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes - Yes
USB Yes Yes Yes
Mini-USB
- Yes
Contacts
Picture ID n/a Yes - Yes Yes
Ringer ID n/a Yes - Yes Yes
Voice Dialing n/a Yes - Yes Yes
Customization
Custom Graphics n/a Yes Yes - Yes
Custom Ringtones n/a Yes Yes - Yes
Real-Music Ringers n/a - Yes - Yes
Data & Network
Data Tethering n/a - - - Yes
WAP / Web Browser n/a Yes Yes - Yes
Input
Predictive Text Entry n/a Yes Yes Yes Yes
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - - - -
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client n/a - - - -
EMS / Picture Messaging n/a - Yes - -
MMS n/a - Yes - Yes
Text Messaging Templates n/a - Yes - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - Yes
Music Player n/a - Yes - Yes
Productivity
Alarm n/a Yes Yes Yes Yes
Calculator n/a Yes Yes Yes Yes
Calendar n/a Yes Yes Yes Yes
To-Do List n/a - - Yes -
Voice Memo n/a Yes - Yes Yes
Software
BREW n/a - - - Yes
Games n/a Yes Yes - Yes
Java (J2ME) n/a Yes Yes - -
Voice
Headset Jack (2.5 mm) n/a Yes - Yes -
Speaker Phone - Yes Yes - Yes
  BlackBerry 7750 LG PM-225 Motorola EM330 / EM28 Samsung SPH-N270 (Matrix Phone) Samsung Trance SCH-U490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 LG PM-225 Motorola EM330 / EM28 Samsung SPH-N270 (Matrix Phone) Samsung Trance SCH-U490

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