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Phone Samsung Trance SCH-U490 Pantech Duo C810 BlackBerry Curve 3G 9330
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
2.2" diag.
4 : 3
2.5" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery ? 1,320 mAh 1,150 mAh
Processor ? ARM 920t PXA27x ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 2 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - QVGA (320 x 240) ?
Front Camera - - -
Weight 3.53 oz
(100g)
3.88 oz
(110g)
3.7 oz
(105g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
Form Factor Slide Slide Slab
Platform / OS (proprietary) Windows Mobile Standard BlackBerry OS
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 1.8 EVDO r0
Features 
GPS / Location Yes n/a n/a
Accessibility
Adjustable Text Size Yes n/a n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes n/a n/a
TTY/TDD (Digital) Yes - Yes
Alerts
Ringer Profiles - Yes Yes
Connectivity
Bluetooth Yes Yes Yes
USB Yes Yes Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
Contacts
Picture ID Yes n/a n/a
Ringer ID Yes n/a n/a
Voice Dialing Yes n/a n/a
Customization
Custom Graphics Yes n/a n/a
Custom Ringtones Yes n/a n/a
Real-Music Ringers Yes n/a n/a
Data & Network
Data Tethering Yes n/a n/a
WAP / Web Browser Yes n/a n/a
Input
Predictive Text Entry Yes n/a n/a
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes Yes
Memory
Memory Card Slot Yes Yes Yes
Messaging
Email Client - n/a n/a
Instant Messaging - n/a n/a
MMS Yes n/a n/a
Text Messaging Templates Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes - Yes
Music Player Yes n/a n/a
Productivity
Alarm Yes n/a n/a
Calculator Yes n/a n/a
Calendar Yes n/a n/a
To-Do List - n/a n/a
Voice Memo Yes n/a n/a
Software
BREW Yes n/a n/a
Games Yes n/a n/a
Java (J2ME) - n/a n/a
Voice
Speaker Phone Yes Yes Yes
  Samsung Trance SCH-U490 Pantech Duo C810 BlackBerry Curve 3G 9330
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Phone Samsung Trance SCH-U490 Pantech Duo C810 BlackBerry Curve 3G 9330

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