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Phone Sanyo SCP-3100 Samsung Sway U650 Ericsson R278d
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)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
101 x 40 pixels
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)
3.56 oz
(101g)
9.28 oz
(263g)
Dimensions 3.31" x 1.83" x 1.01"
(84 x 46 x 25.7 mm)
4.15" x 1.96" x 0.47"
(105 x 50 x 11.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Clamshell Slide Slab
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

TDMA: 850, 1900

AMPS: 850

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 Samsung Sway U650 Ericsson R278d
  X > < X > < X

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Phone Sanyo SCP-3100 Samsung Sway U650 Ericsson R278d

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