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Phone Sony Ericsson K850 Samsung Gloss SCH-U440 Sharp Sidekick LX 2007
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
2.2" diag.
4 : 3
3" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~128 ppi)
LCD (TFT/TFD)
400 x 240 pixels
(~155 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery ? 800 mAh 1,540 mAh
Processor ? ? 200 MHz OMAP 331
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 5 megapixel 1 megapixel 1 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture ? - ?
Front Camera - - -
Weight 4.2 oz
(119g)
3.55 oz
(101g)
5.7 oz
(162g)
Dimensions 4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
2.55" x 2.94" x 0.82"
(65 x 75 x 20.8 mm)
5.12" x 2.36" x 0.7"
(130 x 60 x 17.9 mm)
Form Factor Slab Clamshell Swivel
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSDPA 3.6 1xRTT EDGE
Features 
Flashlight - - Yes
GPS / Location - Yes -
Accessibility
Adjustable Text Size - - Yes
Hearing Aid Compatible - Yes Yes
Multiple Languages Yes Yes -
TTY/TDD (Digital) Yes Yes -
Alerts
Extra Display - Yes -
Ringer Profiles Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
USB Yes Yes Yes
Contacts
Picture ID Yes Yes Yes
Ringer ID Yes Yes Yes
Voice Dialing Yes Yes -
Customization
Custom Graphics Yes Yes Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers Yes Yes Yes
Data & Network
Data Tethering Yes - -
WAP / Web Browser Yes - Yes
Input
Predictive Text Entry Yes - -
Side Keys Yes Yes Yes
Text Keyboard, Hardware - Yes Yes
Memory
Memory Card Slot Yes Yes Yes
Messaging
Email Client Yes - Yes
Instant Messaging - - Yes
MMS Yes Yes Yes
Text Messaging Templates Yes Yes Yes
Music
FM Radio Yes - -
Headphone Jack (3.5mm) - - Yes
Music Player Yes Yes Yes
Photo & Video
Video Calling Yes * - -
Productivity
Alarm Yes Yes Yes *
Calculator Yes Yes -
Calendar Yes Yes Yes
To-Do List Yes - Yes
Voice Memo Yes Yes -
Software
BREW - Yes -
Games Yes Yes Yes
Java (J2ME) Yes - Yes
Voice
Headset Jack (2.5 mm) - Yes -
Speaker Phone Yes Yes Yes
  * Some versions only
  Sony Ericsson K850 Samsung Gloss SCH-U440 Sharp Sidekick LX 2007
  X > < X > < X

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Phone Sony Ericsson K850 Samsung Gloss SCH-U440 Sharp Sidekick LX 2007

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