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Phone Siemens A56 / A56i Samsung SCH-U430 Nokia N90 Cal-Comp EZ
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 101 x 64 pixels 128 x 160 pixels
LCD (TFT/TFD)
352 x 416 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 700 mAh 1,000 mAh 760 mAh 800 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes 2 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - CIF (352 x 288) -
Front Camera - - - -
Weight 3 oz
(85g)
3.21 oz
(91g)
6.1 oz
(173g)
2.47 oz
(70g)
Dimensions 4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
3.67" x 1.85" x 0.78"
(93 x 47 x 19.8 mm)
4.41" x 2.01" x 0.94"
(112 x 51 x 23.9 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
Form Factor Slab Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) S60 (Symbian) (proprietary)
Network Bands

GSM: 850, 1900

CDMA: 850, 1900

WCDMA: 1

GSM: 900, 1800, 1900

CDMA: 850, 1900

Data Technology - 1xRTT EDGE 1xRTT
Features 
GPS / Location Yes Yes n/a Yes
Accessibility
Adjustable Text Size - Yes n/a -
Hearing Aid Compatible - Yes - -
Multiple Languages - Yes n/a Yes
TTY/TDD (Digital) Yes Yes - -
Alerts
Extra Display - Yes Yes -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
-
USB - - Yes Yes
Mini-USB
Contacts
Picture ID Yes Yes n/a -
Ringer ID Yes Yes n/a -
Voice Dialing - Yes n/a -
Customization
Changeable Body Plates Yes - - -
Custom Graphics Yes Yes n/a -
Custom Ringtones Yes Yes n/a -
Data & Network
Data Tethering - - n/a -
WAP / Web Browser Yes Yes n/a -
Input
Predictive Text Entry Yes Yes n/a -
Side Keys - Yes Yes -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client - Yes n/a -
EMS / Picture Messaging Yes Yes n/a -
Instant Messaging - Yes n/a -
MMS - Yes n/a -
Text Messaging Templates - Yes n/a Yes
Music
Music Player - - n/a -
Photo & Video
Video Calling - - n/a -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar - Yes n/a Yes
To-Do List - - n/a Yes
Voice Memo - Yes n/a Yes *
Software
BREW - Yes n/a -
Games Yes Yes n/a -
Java (J2ME) - - n/a -
Voice
Headset Jack (2.5 mm) - Yes n/a Yes
Push-To-Talk - - Yes -
Speaker Phone - Yes Yes -
  * Some versions only
  Siemens A56 / A56i Samsung SCH-U430 Nokia N90 Cal-Comp EZ
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens A56 / A56i Samsung SCH-U430 Nokia N90 Cal-Comp EZ

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