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Phone Nokia N-Gage QD Samsung Trance SCH-U490 LG PM-225 BlackBerry 7750 Samsung Sidekick 4G
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
? ? 3.5" diag.
5 : 3
Display Resolution & Type 176 x 208 pixels
LCD (Color)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
240 x 240 pixels
LCD (Color)
480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery 1,070 mAh ? 1,000 mAh ? ?
Processor ? ? ? ? 1 GHz Samsung Hummingbird Cortex A8
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 1 megapixel Yes - 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - WVGA / 480p
Front Camera - - - - Yes
Weight 5.04 oz
(143g)
3.53 oz
(100g)
3.35 oz
(95g)
5.01 oz
(142g)
5.7 oz
(162g)
Dimensions 4.65" x 2.68" x 0.87"
(118 x 68 x 22.1 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
Form Factor Slab Slide Clamshell Slab Slide
Platform / OS S60 (Symbian) (proprietary) (proprietary) BlackBerry OS Android
Network Bands

GSM: 850, 1900

*

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

Data Technology GPRS 1xRTT 1xRTT 1xRTT HSPA+ 21
Features 
GPS / Location n/a Yes Yes n/a n/a
Accessibility
Adjustable Text Size n/a Yes - n/a n/a
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
- - Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes Yes - - Yes
Mobile Hotspot n/a - - n/a n/a
USB - Yes Yes Yes Yes
Micro-USB
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a Yes Yes n/a n/a
Voice Dialing n/a Yes Yes n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a Yes - n/a n/a
Data & Network
Data Tethering n/a Yes - n/a n/a
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes Yes
Touch Screen - - - - Yes
Memory
Memory Card Slot Yes Yes - - Yes
Messaging
Email Client n/a - - n/a n/a
EMS / Picture Messaging n/a - - n/a n/a
Instant Messaging n/a - - n/a n/a
MMS n/a Yes - n/a n/a
Text Messaging Templates n/a Yes - n/a n/a
Music
Headphone Jack (3.5mm) - Yes - - Yes
Music Player n/a Yes - n/a n/a
Photo & Video
DLNA - - - - Yes
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
To-Do List n/a - - n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a Yes - n/a n/a
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a - Yes n/a n/a
Voice
Headset Jack (2.5 mm) n/a - Yes n/a n/a
Speaker Phone Yes Yes Yes - Yes
  Nokia N-Gage QD Samsung Trance SCH-U490 LG PM-225 BlackBerry 7750 Samsung Sidekick 4G
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Phone Nokia N-Gage QD Samsung Trance SCH-U490 LG PM-225 BlackBerry 7750 Samsung Sidekick 4G

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