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Phone Samsung Sidekick 4G Samsung Knack U310 Kyocera 3225 Motorola i325 Motorola W175
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2.2" diag.
4 : 3
? ? ?
Display Resolution & Type 480 x 800 pixels
(~267 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
96 x 64 pixels
LCD (STN)
128 x 128 pixels
LCD (STN)
Display Refresh 60 Hz ? ? ? ?
Battery ? 1,000 mAh ? ? ?
Processor 1 GHz Samsung Hummingbird Cortex A8 ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel - - - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture WVGA / 480p - - - -
Front Camera Yes - - - -
Weight 5.7 oz
(162g)
3.63 oz
(103g)
4.23 oz
(120g)
7.02 oz
(199g)
3 oz
(85g)
Dimensions 5" x 2.42" x 0.6"
(127 x 61 x 15.2 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.1" x 2.4" x 1.4"
(130 x 61 x 35.6 mm)
4.49" x 1.69" x 0.55"
(114 x 43 x 14 mm)
Form Factor Slide Clamshell Slab Slab Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

iDEN: 800

GSM: 850, 1900

Data Technology HSPA+ 21 - 1xRTT - -
Features 
GPS / Location n/a Yes Yes Yes -
Ruggedized - - - Yes -
Accessibility
Adjustable Text Size n/a Yes - - -
Hearing Aid Compatible Yes Yes - - -
Multiple Languages n/a Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
-
-
-
-
Mobile Hotspot n/a - - - -
USB Yes
Micro-USB
- - - Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - - -
Contacts
Picture ID n/a - - - -
Ringer ID n/a - - Yes -
Voice Dialing n/a Yes Yes Yes -
Customization
Custom Graphics n/a - Yes - -
Custom Ringtones n/a - Yes Yes -
Real-Music Ringers n/a - - - -
Data & Network
Data Tethering n/a - Yes Yes -
WAP / Web Browser n/a - Yes Yes -
Input
Predictive Text Entry n/a Yes Yes Yes Yes
Side Keys Yes Yes - Yes -
Text Keyboard, Hardware Yes - - - -
Touch Screen Yes - - - -
Memory
Memory Card Slot Yes - - - -
Messaging
Email Client n/a - - - -
EMS / Picture Messaging n/a Yes Yes - -
Instant Messaging n/a - - - -
MMS n/a - - - -
Text Messaging Templates n/a - - Yes Yes
Music
Headphone Jack (3.5mm) Yes - - - -
Music Player n/a - - - -
Photo & Video
DLNA Yes - - - -
Productivity
Alarm n/a Yes Yes - Yes
Calculator n/a Yes Yes - Yes
Calendar n/a Yes Yes - Yes
Voice Memo n/a - - Yes -
Software
BREW n/a - Yes - -
Games n/a - Yes Yes Yes
Java (J2ME) n/a - - Yes -
Voice
Headset Jack (2.5 mm) n/a Yes Yes Yes -
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Sidekick 4G Samsung Knack U310 Kyocera 3225 Motorola i325 Motorola W175
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Phone Samsung Sidekick 4G Samsung Knack U310 Kyocera 3225 Motorola i325 Motorola W175

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