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Phone Samsung SCH-A770 Samsung Impression SGH-A877 Samsung SGH-T369 Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Not yet released Released Released Released
Specifications 
Display Size ? 3.2" diag.
5 : 3
2.5" diag.
4 : 3
1.9" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~146 ppi)
AMOLED
240 x 320 pixels
(~160 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,100 mAh 1,000 mAh 1,000 mAh 800 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 3 megapixel 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QVGA (320 x 240) QCIF (176 x 144) ?
Front Camera - - - -
Weight ? 5.2 oz
(147g)
3.95 oz
(112g)
2.47 oz
(70g)
Dimensions ? 4.48" x 2.28" x 0.64"
(114 x 58 x 16.3 mm)
4.46" x 2.1" x 0.59"
(113 x 53 x 15 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology 1xRTT HSDPA 3.6 EDGE EVDO r0
Features 
GPS / Location Yes Yes - Yes
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes - - Yes
Alerts
Extra Display Yes - - -
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth - Yes Yes Yes
USB - Yes Yes
Micro-USB
-
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes -
Voice Dialing Yes - - Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - Yes Yes -
Data & Network
Data Tethering Yes Yes Yes -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes -
Touch Screen - Yes
Resistive
- -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client - Yes - -
Instant Messaging - Yes Yes -
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes -
Music
Music Player - Yes Yes Yes
Stereo Speakers - - - 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 - - Yes
Games Yes Yes Yes Yes
Java (J2ME) - Yes Yes -
Voice
Call Screening Yes - - -
Headset Jack (2.5 mm) Yes - - -
Speaker Phone - Yes Yes Yes
  Samsung SCH-A770 Samsung Impression SGH-A877 Samsung SGH-T369 Samsung Wafer R510
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A770 Samsung Impression SGH-A877 Samsung SGH-T369 Samsung Wafer R510

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