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Phone Samsung SGH-A157 Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SGH-P500 Kyocera DuraPlus
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 1.8" diag.
4 : 3
? 3.1" diag.
5 : 3
? 2" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? ?
Battery 800 mAh 1,000 mAh 1,150 mAh 900 mAh 1,650 mAh
Processor ? ? ? ? ?
RAM ? ? ? ? 128 MB
Storage 256 MB ? raw hardware ? raw hardware ? raw hardware 256 MB
Main Camera - 3 megapixel 3 megapixel Yes -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? VGA (640 x 480) ? -
Front Camera - - - - -
Weight 2.99 oz
(85g)
4.4 oz
(125g)
4.89 oz
(139g)
3.28 oz
(93g)
6.67 oz
(189g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
3.54" x 1.81" x 0.91"
(90 x 46 x 23.1 mm)
5.28" x 2.17" x 0.93"
(134 x 55 x 23.6 mm)
Form Factor Clamshell Clamshell Slide Clamshell Slab
Platform / OS (proprietary) (proprietary) webOS (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology ? EVDO r0 HSDPA 1.8 GPRS EVDO rA
Features 
Flashlight - Yes - - Yes
GPS / Location Yes Yes n/a - Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size Yes - n/a - Yes
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages Yes Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - Yes
Alerts
Extra Display - Yes - Yes -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - Yes Yes - Yes
Infrared (IR) - - - Yes -
USB Yes
Micro-USB
Yes Yes
Micro-USB
- Yes
Micro-USB
Wi-Fi - - Yes
802.11 b,g
- -
Contacts
Picture ID Yes Yes n/a - -
Ringer ID Yes Yes n/a - Yes
Voice Dialing - Yes n/a - Yes
Customization
Custom Graphics Yes Yes n/a Yes Yes
Custom Ringtones Yes Yes n/a Yes Yes
Real-Music Ringers Yes Yes n/a - -
Data & Network
Data Tethering - Yes n/a - -
WAP / Web Browser Yes Yes n/a Yes Yes
Input
Predictive Text Entry Yes Yes n/a Yes Yes
Side Keys - Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen - - Yes - -
Memory
Memory Card Slot - Yes - - -
Messaging
Email Client - - n/a - -
EMS / Picture Messaging - Yes n/a Yes -
Instant Messaging - - n/a - -
MMS Yes Yes n/a Yes Yes
Text Messaging Templates Yes Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) - - Yes - -
Music Player - Yes n/a - -
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Productivity
Alarm Yes Yes n/a Yes Yes
Calculator Yes Yes n/a Yes Yes
Calendar Yes Yes n/a Yes Yes
To-Do List Yes - n/a Yes -
Voice Memo Yes Yes n/a Yes Yes
Software
BREW - Yes n/a - Yes
Games - Yes n/a Yes Yes
Java (J2ME) - - n/a Yes Yes
Voice
Headset Jack (2.5 mm) - - n/a - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes - Yes
  Samsung SGH-A157 Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SGH-P500 Kyocera DuraPlus
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A157 Samsung SCH-A990 Palm Pre Plus (GSM) Samsung SGH-P500 Kyocera DuraPlus

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