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Phone Samsung Knack U310 Ericsson T28 World Neonode N1 Nokia 6155i
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Not yet released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? ? ?
Display Resolution & Type 176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
? 176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 500 mAh 1,100 mAh 1,070 mAh
Processor ? ? 96 MHz ARM 7 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - Yes 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - ? sub-QCIF (128 x 96)
Front Camera - - - -
Weight 3.63 oz
(103g)
3.14 oz
(89g)
3.28 oz
(93g)
4.44 oz
(126g)
Dimensions 3.78" x 2.01" x 0.74"
(96 x 51 x 18.8 mm)
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)
3.41" x 1.79" x 1.02"
(87 x 45 x 25.9 mm)
Form Factor Clamshell Flip Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1900

GSM: 900, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology - - GPRS 1xRTT
Features 
GPS / Location Yes - - Yes
Accessibility
Adjustable Text Size Yes - - -
Hearing Aid Compatible Yes - - -
Multiple Languages Yes - - Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display Yes - - Yes
Ringer Profiles - Yes - Yes
Connectivity
Infrared (IR) - - Yes Yes
USB - - Yes Yes
Contacts
Picture ID - - - Yes
Ringer ID - - - Yes
Voice Dialing Yes Yes - Yes
Customization
Custom Graphics - - Yes Yes
Custom Ringtones - Yes Yes Yes
Real-Music Ringers - - - Yes
Data & Network
Data Tethering - Yes - Yes
WAP / Web Browser - - Yes Yes
Input
Predictive Text Entry Yes - - Yes
Side Keys Yes Yes - Yes
Touch Screen - - Yes -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - - Yes -
EMS / Picture Messaging Yes - - -
MMS - - Yes Yes
Text Messaging Templates - - - Yes
Music
FM Radio - - - Yes
Music Player - - Yes -
Productivity
Alarm Yes Yes - Yes
Calculator Yes Yes - Yes
Calendar Yes - - Yes
To-Do List - - - Yes
Voice Memo - - - Yes
Software
BREW - - - Yes *
Games - Yes Yes Yes
Java (J2ME) - - - Yes *
Voice
Headset Jack (2.5 mm) Yes - Yes Yes
Push-To-Talk - - - Yes *
Speaker Phone Yes - Yes Yes
  * Some versions only
  Samsung Knack U310 Ericsson T28 World Neonode N1 Nokia 6155i
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Phone Samsung Knack U310 Ericsson T28 World Neonode N1 Nokia 6155i

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