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Phone Samsung M400 Motorola KRZR K1m Sanyo SCP-3810 / Mirro Samsung SPH-A500
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.4" diag.
4 : 3
? 2.4" diag.
4 : 3
?
Display Resolution & Type 240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 880 mAh 1,000 mAh ?
Processor 400 MHz Qualcomm QSC6155 ? ? ?
RAM 128 MB ? ? ?
Storage 256 MB ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? - -
Front Camera - - - -
Weight 3.7 oz
(105g)
3.63 oz
(103g)
3.97 oz
(112g)
3.6 oz
(102g)
Dimensions 3.8" x 1.9" x 0.7"
(97 x 48 x 17.8 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
3.46" x 1.96" x 0.92"
(88 x 50 x 23.4 mm)
Form Factor Clamshell Clamshell Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT EVDO r0 1xRTT 1xRTT
Features 
GPS / Location Yes Yes Yes Yes
Accessibility
Adjustable Text Size Yes - Yes -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes Yes Yes Yes
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
USB Yes
Micro-USB
Yes
Mini-USB
Yes
Micro-USB
Yes
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing Yes Yes 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
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - - Yes -
EMS / Picture Messaging - Yes - -
Instant Messaging - Yes * Yes -
MMS Yes Yes - -
Text Messaging Templates Yes Yes Yes -
Music
Headphone Jack (3.5mm) Yes - - -
Music Player - Yes - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - - Yes Yes
Voice Memo Yes Yes Yes Yes
Software
BREW - Yes * - -
Games Yes Yes Yes Yes
Java (J2ME) - Yes * Yes Yes
Voice
Headset Jack (2.5 mm) - - Yes Yes
Speaker Phone Yes Yes Yes -
  * Some versions only
  Samsung M400 Motorola KRZR K1m Sanyo SCP-3810 / Mirro Samsung SPH-A500
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung M400 Motorola KRZR K1m Sanyo SCP-3810 / Mirro Samsung SPH-A500

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