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Phone Samsung Trance SCH-U490 Samsung SPH-i550 BlackBerry Curve 3G 9330 Samsung DoubleTime
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 2.5" diag.
4 : 3
3.2" diag.
5 : 3
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
320 x 320 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery ? ? 1,150 mAh 1,200 mAh
Processor ? 200 MHz Motorola MX-1 ? 600 MHz Qualcomm
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 2 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? ? QVGA (320 x 240)
Front Camera - - - -
Weight 3.53 oz
(100g)
? 3.7 oz
(105g)
5.22 oz
(148g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
Form Factor Slide Clamshell Slab Clamshell
Platform / OS (proprietary) Palm OS BlackBerry OS Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT EVDO r0 HSPA 7.2
Features 
GPS / Location Yes n/a n/a n/a
Accessibility
Adjustable Text Size Yes n/a n/a n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - Yes - -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - Yes Yes
Infrared (IR) - Yes - -
Mobile Hotspot - n/a n/a n/a
USB Yes - Yes
Micro-USB
Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
Yes
4 (802.11 b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing Yes n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering Yes n/a n/a n/a
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes
Touch Screen - Yes - Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - n/a n/a n/a
Instant Messaging - n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes - Yes Yes
Music Player Yes n/a n/a n/a
Productivity
Alarm Yes n/a n/a n/a
Calculator Yes n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List - n/a n/a n/a
Voice Memo Yes n/a n/a n/a
Software
BREW Yes n/a n/a n/a
Games Yes n/a n/a n/a
Java (J2ME) - n/a n/a n/a
Voice
Headset Jack (2.5 mm) - n/a n/a n/a
Speaker Phone Yes - Yes Yes
  Samsung Trance SCH-U490 Samsung SPH-i550 BlackBerry Curve 3G 9330 Samsung DoubleTime
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Phone Samsung Trance SCH-U490 Samsung SPH-i550 BlackBerry Curve 3G 9330 Samsung DoubleTime

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