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Phone Sony Ericsson T310 Samsung SGH-X820 BlackBerry Curve 3G 9330 Casio G'zOne Boulder
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.5" diag.
4 : 3
2" diag.
4 : 3
Display Resolution & Type 101 x 80 pixels
LCD (STN)
220 x 176 pixels
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 650 mAh 1,150 mAh 810 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel 2 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? ? ?
Front Camera - - - -
Weight 3.42 oz
(97g)
2.33 oz
(66g)
3.7 oz
(105g)
4.9 oz
(139g)
Dimensions 4.09" x 1.93" x 0.75"
(104 x 49 x 19.1 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology GPRS EDGE EVDO r0 EVDO rA
Features 
Flashlight - - - Yes
GPS / Location Yes - n/a Yes
Ruggedized - - - Yes
Water-Resistant - - - Yes
Accessibility
Adjustable Text Size - - n/a -
Hearing Aid Compatible - - Yes Yes
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) Yes - - -
USB Yes Yes Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes n/a Yes
Voice Dialing - - n/a Yes
Customization
Changeable Body Plates - - - Yes
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers - Yes n/a -
Data & Network
Data Tethering Yes - n/a Yes
External Antenna Jack - Yes n/a -
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Memory
Memory Card Slot - - Yes Yes
Messaging
Email Client Yes Yes n/a -
EMS / Picture Messaging Yes Yes n/a Yes
Instant Messaging - - n/a -
MMS Yes Yes n/a Yes
Text Messaging Templates Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - n/a Yes
Photo & Video
TV Output - Yes - -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - Yes n/a -
Voice Memo Yes Yes n/a Yes
Software
BREW - - n/a Yes
Games Yes Yes n/a Yes
Java (J2ME) - Yes n/a -
Voice
Push-To-Talk - - - Yes
Speaker Phone - Yes Yes Yes
  Sony Ericsson T310 Samsung SGH-X820 BlackBerry Curve 3G 9330 Casio G'zOne Boulder
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Phone Sony Ericsson T310 Samsung SGH-X820 BlackBerry Curve 3G 9330 Casio G'zOne Boulder

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