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Phone Sanyo SCP-3100 Ericsson R278d Samsung Sway U650
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? 2.2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
101 x 40 pixels 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 1,000 mAh ? ?
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera Yes - 2 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture - - ?
Front Camera - - -
Weight 3.5 oz
(99g)
9.28 oz
(263g)
3.56 oz
(101g)
Dimensions 3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
4.15" x 1.96" x 0.47"
(105 x 50 x 11.9 mm)
Form Factor Clamshell Slab Slide
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology 1xRTT - 1xRTT
Features 
GPS / Location Yes - Yes
Accessibility
Adjustable Text Size - - Yes
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- Yes
M4 (very compatible)
Multiple Languages Yes Yes Yes
TTY/TDD (Digital) Yes - Yes
Alerts
Extra Display Yes - -
Ringer Profiles - Yes -
Connectivity
Bluetooth - - Yes
USB Yes - Yes
Contacts
Picture ID Yes - Yes
Ringer ID Yes - Yes
Voice Dialing Yes - Yes
Customization
Custom Graphics Yes - Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers - - Yes
Data & Network
Data Tethering - Yes -
External Antenna Jack Yes - -
WAP / Web Browser Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes
Side Keys Yes Yes Yes
Memory
Memory Card Slot - - Yes
Messaging
Email Client - - Yes
EMS / Picture Messaging - - Yes
Instant Messaging - - Yes
MMS - - Yes
Text Messaging Templates - - Yes
Music
Music Player - - Yes
Productivity
Alarm Yes Yes Yes
Calculator Yes - Yes
Calendar Yes - Yes
Voice Memo Yes - Yes
Software
BREW - - Yes
Games Yes - Yes
Java (J2ME) Yes - -
Voice
Call Screening Yes - -
Headset Jack (2.5 mm) Yes - -
Push-To-Talk Yes - -
Speaker Phone Yes - Yes
  Sanyo SCP-3100 Ericsson R278d Samsung Sway U650
  X > < X > < X

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Phone Sanyo SCP-3100 Ericsson R278d Samsung Sway U650

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