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Phone Samsung SGH-E640 UTStarcom Slice PCS-1400 Motorola KRZR K1m Samsung SCH-A930
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 800 mAh 900 mAh 880 mAh 1,000 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel - 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) - ? ?
Front Camera - - - -
Weight 3.17 oz
(90g)
2.3 oz
(65g)
3.63 oz
(103g)
3.98 oz
(113g)
Dimensions 3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
4.3" x 1.8" x 0.4"
(109 x 46 x 10.2 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
3.59" x 1.89" x 0.98"
(91 x 48 x 24.9 mm)
Form Factor Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

CDMA: 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology GPRS 1xRTT EVDO r0 EVDO r0
Features 
GPS / Location - Yes Yes Yes
Accessibility
Hearing Aid Compatible - - Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes - Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - Yes Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - Yes Yes
USB Yes - Yes
Mini-USB
Yes
Contacts
Picture ID Yes - Yes Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing - - Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes - - -
Data & Network
Data Tethering - - Yes -
External Antenna Jack - 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 Yes
Messaging
Email Client Yes - - -
EMS / Picture Messaging Yes - Yes Yes
Instant Messaging - - Yes * Yes
MMS 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 - - -
Voice Memo Yes - Yes Yes
Software
BREW - - Yes * Yes
Games Yes Yes Yes Yes
Java (J2ME) Yes Yes Yes * -
Voice
Headset Jack (2.5 mm) - Yes - Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-E640 UTStarcom Slice PCS-1400 Motorola KRZR K1m Samsung SCH-A930
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Phone Samsung SGH-E640 UTStarcom Slice PCS-1400 Motorola KRZR K1m Samsung SCH-A930

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