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Phone Samsung SCH-A990 Samsung Highnote M630 Samsung SCH-A220
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? 2.1" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ?
Battery 1,000 mAh ? ?
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 2 megapixel -
Wide Camera - - -
Tele Camera - - -
Video Capture ? ? -
Front Camera - - -
Weight 4.4 oz
(125g)
3.77 oz
(107g)
3.25 oz
(92g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.98" x 1.9" x 0.66"
(101 x 48 x 16.8 mm)
2.87" x 2.09" x 0.94"
(73 x 53 x 23.9 mm)
Form Factor Clamshell Slide Clamshell
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology EVDO r0 EVDO r0 1xRTT
Features 
Flashlight Yes - -
GPS / Location Yes Yes Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4 (very compatible)
-
Multiple Languages Yes Yes Yes
TTY/TDD (Digital) Yes Yes -
Alerts
Extra Display Yes - -
Connectivity
Bluetooth Yes Yes -
USB Yes Yes
Micro-USB
-
Contacts
Picture ID Yes Yes -
Ringer ID Yes 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 - Yes
WAP / Web Browser Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes
Side Keys Yes Yes Yes
Memory
Memory Card Slot Yes Yes -
Messaging
EMS / Picture Messaging Yes - -
MMS Yes - -
Text Messaging Templates Yes Yes Yes
Music
Headphone Jack (3.5mm) - Yes -
Music Player Yes Yes -
Stereo Speakers Yes 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 - -
Games Yes Yes -
Java (J2ME) - Yes -
Voice
Headset Jack (2.5 mm) - - Yes
Speaker Phone Yes Yes -
  Samsung SCH-A990 Samsung Highnote M630 Samsung SCH-A220
  X > < X > < X

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

 
Phone Samsung SCH-A990 Samsung Highnote M630 Samsung SCH-A220

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