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Phone Samsung SPH-N270 (Matrix Phone) Cal-Comp EZ Samsung Trance SCH-U490 Samsung MM-A900 / SPH-A900 / Ace
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 2.1" diag.
4 : 3
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 800 mAh ? ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - - ?
Front Camera - - - -
Weight 4.66 oz
(132g)
2.47 oz
(70g)
3.53 oz
(100g)
3.9 oz
(111g)
Dimensions 4.53" x 2.28" x 0.79"
(115 x 58 x 20.1 mm)
4.04" x 1.71" x 0.63"
(103 x 43 x 16 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
3.86" x 2.01" x 0.57"
(98 x 51 x 14.5 mm)
Form Factor Slide Slab Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology - 1xRTT 1xRTT EVDO r0
Features 
GPS / Location Yes Yes Yes Yes
Accessibility
Adjustable Text Size - - Yes -
Hearing Aid Compatible - - Yes
M4, T3 (mostly tele-coil compatible)
-
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - - Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth - - Yes Yes
USB - Yes
Mini-USB
Yes Yes
Contacts
Picture ID Yes - Yes Yes
Ringer ID Yes - Yes Yes
Voice Dialing Yes - Yes Yes
Customization
Custom Graphics - - Yes Yes
Custom Ringtones - - Yes Yes
Real-Music Ringers - - Yes -
Data & Network
Data Tethering - - Yes Yes
WAP / Web Browser - - Yes Yes
Input
Predictive Text Entry Yes - Yes Yes
Side Keys - - Yes Yes
Memory
Memory Card Slot - - Yes -
Messaging
MMS - - Yes -
Text Messaging Templates - Yes Yes Yes
Music
Headphone Jack (3.5mm) - - Yes -
Music Player - - Yes Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List Yes Yes - Yes
Voice Memo Yes Yes * Yes Yes
Software
BREW - - Yes -
Games - - Yes Yes
Java (J2ME) - - - Yes
Voice
Headset Jack (2.5 mm) Yes Yes - Yes
Speaker Phone - - Yes Yes
  * Some versions only
  Samsung SPH-N270 (Matrix Phone) Cal-Comp EZ Samsung Trance SCH-U490 Samsung MM-A900 / SPH-A900 / Ace
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SPH-N270 (Matrix Phone) Cal-Comp EZ Samsung Trance SCH-U490 Samsung MM-A900 / SPH-A900 / Ace

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