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Phone Ericsson T28 World Neonode N1 Samsung Knack U310
Current U.S. Carriers (none) (none) (none)
Global Availability Released Not yet released Released
Specifications 
Display Size ? ? 2.2" diag.
4 : 3
Display Resolution & Type ? 176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 500 mAh 1,100 mAh 1,000 mAh
Processor ? 96 MHz ARM 7 ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes -
Wide Camera - - -
Tele Camera - - -
Video Capture - ? -
Front Camera - - -
Weight 3.14 oz
(89g)
3.28 oz
(93g)
3.63 oz
(103g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.46" x 2.05" x 0.83"
(88 x 52 x 21.1 mm)
3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
Form Factor Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

GSM: 900, 1900

CDMA: 850, 1900

Data Technology - GPRS -
Features 
GPS / Location - - Yes
Accessibility
Adjustable Text Size - - Yes
Hearing Aid Compatible - - Yes
Multiple Languages - - Yes
TTY/TDD (Digital) - - Yes
Alerts
Extra Display - - Yes
Ringer Profiles Yes - -
Connectivity
Infrared (IR) - Yes -
USB - Yes -
Contacts
Voice Dialing Yes - Yes
Customization
Custom Graphics - Yes -
Custom Ringtones Yes Yes -
Data & Network
Data Tethering Yes - -
WAP / Web Browser - Yes -
Input
Predictive Text Entry - - Yes
Side Keys Yes - Yes
Touch Screen - Yes -
Memory
Memory Card Slot - Yes -
Messaging
Email Client - Yes -
EMS / Picture Messaging - - Yes
MMS - Yes -
Music
Music Player - Yes -
Productivity
Alarm Yes - Yes
Calculator Yes - Yes
Calendar - - Yes
Software
Games Yes Yes -
Voice
Headset Jack (2.5 mm) - Yes Yes
Speaker Phone - Yes Yes
  Ericsson T28 World Neonode N1 Samsung Knack U310
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Phone Ericsson T28 World Neonode N1 Samsung Knack U310

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