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Phone Siemens A56 / A56i Nokia 6255i / 6256i Motorola Krave ZN4 Samsung SGH-A197 Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 2.8" diag.
5 : 3
2" diag.
4 : 3
1.9" diag.
4 : 3
Display Resolution & Type 101 x 64 pixels 128 x 160 pixels
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~102 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 700 mAh 1,070 mAh 950 mAh 800 mAh 800 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - Yes 2 megapixel Yes 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? QVGA (320 x 240) - ?
Front Camera - - - - -
Weight 3 oz
(85g)
4.23 oz
(120g)
4.52 oz
(128g)
2.7 oz
(77g)
2.47 oz
(70g)
Dimensions 4" x 1.7" x 0.8"
(102 x 43 x 20.3 mm)
3.36" x 1.87" x 0.97"
(85 x 47 x 24.6 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
3.78" x 1.85" x 0.75"
(96 x 47 x 19.1 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Slab Clamshell Flip Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

GSM: 850, 1900

CDMA: 850, 1900

Data Technology - 1xRTT EVDO r0 GPRS EVDO r0
Features 
GPS / Location Yes Yes Yes - Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes Yes
Multiple Languages - Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles Yes Yes - Yes -
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
USB - Yes Yes
Micro-USB
Yes
Micro-USB
-
Contacts
Picture ID Yes Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes -
Voice Dialing - Yes Yes - Yes
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - Yes Yes Yes -
Data & Network
Data Tethering - Yes Yes - -
WAP / Web Browser Yes Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes Yes
Side Keys - Yes Yes Yes Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client - Yes Yes Yes -
EMS / Picture Messaging Yes Yes * Yes - -
Instant Messaging - - Yes Yes -
MMS - Yes Yes Yes Yes
Text Messaging Templates - Yes Yes Yes -
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - -
Music Player - Yes * Yes - Yes
Stereo Speakers - - - - Yes
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes Yes Yes
Calendar - Yes Yes Yes Yes
To-Do List - Yes - - -
Voice Memo - Yes Yes Yes Yes
Software
BREW - Yes * Yes - Yes
Games Yes Yes Yes Yes Yes
Java (J2ME) - Yes * - Yes -
Voice
Headset Jack (2.5 mm) - Yes - - -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Siemens A56 / A56i Nokia 6255i / 6256i Motorola Krave ZN4 Samsung SGH-A197 Samsung Wafer R510
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Siemens A56 / A56i Nokia 6255i / 6256i Motorola Krave ZN4 Samsung SGH-A197 Samsung Wafer R510

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