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Phone Samsung SCH-A990 Samsung SCH-A570 Samsung Messager Touch R630 / R631
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? 2.6" diag.
4 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 1,000 mAh ? 1,000 mAh
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel - 2 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture ? - QCIF (176 x 144)
Front Camera - - -
Weight 4.4 oz
(125g)
3.6 oz
(102g)
3.81 oz
(108g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
4.13" x 2.12" x 0.59"
(105 x 54 x 15 mm)
Form Factor Clamshell Clamshell Slide
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

*

Data Technology EVDO r0 1xRTT EVDO r0
Features 
Flashlight Yes - -
GPS / Location Yes Yes Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Alerts
Extra Display Yes Yes -
Connectivity
Bluetooth Yes - Yes
USB Yes - Yes
Contacts
Picture ID Yes - Yes
Ringer ID Yes - Yes
Voice Dialing Yes Yes Yes
Customization
Custom Graphics Yes Yes Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers Yes - Yes
Data & Network
Data Tethering Yes - -
WAP / Web Browser Yes Yes -
Input
Predictive Text Entry Yes Yes Yes
Side Keys Yes Yes Yes
Text Keyboard, Hardware - - Yes
Touch Screen - - Yes
Resistive
Memory
Memory Card Slot Yes - Yes
Messaging
EMS / Picture Messaging Yes Yes -
MMS Yes - Yes
Text Messaging Templates Yes Yes Yes
Music
Headphone Jack (3.5mm) - - Yes
Music Player Yes - Yes
Stereo Speakers Yes - -
Photo & Video
TV Output Yes - -
Productivity
Alarm Yes Yes Yes
Calculator Yes Yes Yes
Calendar Yes Yes Yes
To-Do List - Yes -
Voice Memo Yes Yes Yes
Software
BREW Yes Yes Yes
Games Yes Yes Yes
Voice
Headset Jack (2.5 mm) - Yes -
Speaker Phone Yes - Yes
  Samsung SCH-A990 Samsung SCH-A570 Samsung Messager Touch R630 / R631
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung SCH-A570 Samsung Messager Touch R630 / R631

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