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Phone Samsung SCH-A930 Alcatel Dawn Sony Ericsson K850 Pantech Duo C810 Samsung M400
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.5" diag.
16 : 9
2.2" diag.
4 : 3
2.2" diag.
4 : 3
2.4" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? ?
Battery 1,000 mAh 1,780 mAh ? 1,320 mAh 1,000 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ARM 920t PXA27x 400 MHz Qualcomm QSC6155
RAM ? 1 GB ? ? 128 MB
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware 256 MB
Main Camera 1 megapixel 5 megapixel 5 megapixel 1 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 720p HD ? QVGA (320 x 240) -
Front Camera - Yes - - -
Weight 3.98 oz
(113g)
5.08 oz
(144g)
4.2 oz
(119g)
3.88 oz
(110g)
3.7 oz
(105g)
Dimensions 3.59" x 1.89" x 0.98"
(91 x 48 x 24.9 mm)
5.2" x 2.56" x 0.4"
(132 x 65 x 10.1 mm)
4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
Form Factor Clamshell Slab Slab Slide Clamshell
Platform / OS (proprietary) Android (proprietary) Windows Mobile Standard (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology EVDO r0 LTE (Cat 4) HSDPA 3.6 HSDPA 1.8 1xRTT
Features 
GPS / Location Yes n/a - n/a Yes
Accessibility
Adjustable Text Size - n/a - n/a Yes
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display Yes - - - Yes
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
USB Yes Yes
Micro-USB
Yes Yes Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- - -
Contacts
Picture ID Yes n/a Yes n/a Yes
Ringer ID Yes n/a Yes n/a Yes
Voice Dialing Yes n/a Yes n/a Yes
Customization
Custom Graphics Yes n/a Yes n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a Yes n/a Yes
Data & Network
Data Tethering - n/a Yes n/a -
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - Yes - - -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a Yes n/a -
EMS / Picture Messaging Yes n/a - n/a -
Instant Messaging Yes n/a - n/a -
MMS Yes n/a Yes n/a Yes
Text Messaging Templates - n/a Yes n/a Yes
Music
FM Radio - Yes Yes - -
Headphone Jack (3.5mm) - Yes - - Yes
Music Player Yes n/a Yes n/a -
Stereo Speakers Yes - - - -
Photo & Video
Video Calling - n/a Yes * n/a -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a Yes
Calendar Yes n/a Yes n/a Yes
To-Do List - n/a Yes n/a -
Voice Memo Yes n/a Yes n/a Yes
Software
BREW Yes n/a - n/a -
Games Yes n/a Yes n/a Yes
Java (J2ME) - n/a Yes n/a -
Voice
Headset Jack (2.5 mm) Yes n/a - n/a -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A930 Alcatel Dawn Sony Ericsson K850 Pantech Duo C810 Samsung M400
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A930 Alcatel Dawn Sony Ericsson K850 Pantech Duo C810 Samsung M400

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