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Phone Samsung SGH-X640 Kyocera KX12 Motorola RAZR V3c BlackBerry Curve 9350 Nokia 6310i
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? ? 2.4" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
96 x 65 pixels
Display Refresh ? ? ? ? ?
Battery 800 mAh 1,800 mAh 740 mAh 1,040 mAh ?
Processor ? ? ? 800 MHz Marvell ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - 1 megapixel 5 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - ? VGA (640 x 480) -
Front Camera - - - - -
Weight 3 oz
(85g)
4.62 oz
(131g)
3.49 oz
(99g)
3.49 oz
(99g)
3.92 oz
(111g)
Dimensions 3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
3.9" x 2.1" x 0.6"
(99 x 53 x 15.2 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
5.08" x 1.85" x 0.75"
(129 x 47 x 19.1 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry OS (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

CDMA: 800, 850, 1900

*

GSM: 900, 1800, 1900

Data Technology GPRS 1xRTT EVDO r0 EVDO rA GPRS
Features 
Flashlight - Yes - - -
GPS / Location - Yes Yes n/a Yes
Ruggedized - Yes - - -
Accessibility
Adjustable Text Size - - - n/a -
Hearing Aid Compatible - - Yes Yes -
Multiple Languages Yes Yes Yes n/a Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - Yes - -
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth - - Yes Yes Yes
Infrared (IR) - - - - Yes
NFC - - - Yes -
USB - - Yes
Mini-USB
Yes
Micro-USB
-
Wi-Fi - - - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes Yes n/a Yes
Ringer ID Yes Yes Yes n/a Yes
Voice Dialing - Yes Yes n/a Yes
Customization
Custom Graphics Yes Yes Yes n/a -
Custom Ringtones Yes Yes Yes n/a Yes
Real-Music Ringers - - Yes n/a -
Data & Network
Data Tethering - Yes Yes n/a Yes
WAP / Web Browser Yes Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Memory
Memory Card Slot - - - Yes -
Messaging
Email Client - - - n/a -
EMS / Picture Messaging Yes Yes Yes n/a Yes
Instant Messaging - - - n/a -
MMS Yes - Yes n/a -
Text Messaging Templates Yes Yes Yes n/a Yes
Music
Headphone Jack (3.5mm) - - - Yes -
Music Player - - - n/a -
Productivity
Alarm Yes Yes Yes n/a Yes
Calculator Yes Yes Yes n/a Yes
Calendar Yes Yes Yes n/a Yes
To-Do List Yes - - n/a Yes
Voice Memo Yes Yes Yes n/a Yes
Software
BREW - Yes * Yes n/a -
Games Yes Yes Yes n/a Yes
Java (J2ME) Yes - - n/a Yes
Voice
Headset Jack (2.5 mm) Yes Yes - n/a -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung SGH-X640 Kyocera KX12 Motorola RAZR V3c BlackBerry Curve 9350 Nokia 6310i
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Phone Samsung SGH-X640 Kyocera KX12 Motorola RAZR V3c BlackBerry Curve 9350 Nokia 6310i

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