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Phone Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 3.1" diag.
5 : 3
?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
? 320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,420 mAh ? 1,150 mAh ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - - 3 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - VGA (640 x 480) ?
Front Camera - - - -
Weight 4.34 oz
(123g)
4.23 oz
(120g)
4.89 oz
(139g)
3.77 oz
(107g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
4.25" x 1.81" x 0.69"
(108 x 46 x 17.5 mm)
Form Factor Slab Slab Slide Slab
Platform / OS (proprietary) (proprietary) webOS Windows Mobile Standard
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSDPA 3.6 GPRS HSDPA 1.8 GPRS
Features 
Flashlight Yes - - -
GPS / Location Yes - n/a n/a
Ruggedized Yes - - -
Accessibility
Multiple Languages Yes Yes n/a n/a
TTY/TDD (Digital) Yes - Yes -
Alerts
Ringer Profiles - Yes - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) - Yes - Yes
USB Yes - Yes
Micro-USB
Yes
Wi-Fi - - Yes
802.11 b,g
-
Contacts
Picture ID Yes - n/a n/a
Ringer ID Yes - n/a n/a
Voice Dialing - Yes n/a n/a
Customization
Custom Graphics Yes - n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes - n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes -
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client Yes - n/a n/a
Instant Messaging Yes - n/a n/a
MMS Yes - n/a n/a
Text Messaging Templates Yes Yes n/a n/a
Music
Headphone Jack (3.5mm) - - Yes -
Music Player Yes - n/a n/a
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
To-Do List Yes - n/a n/a
Voice Memo Yes Yes n/a n/a
Software
Games Yes Yes n/a n/a
Java (J2ME) Yes - n/a n/a
Voice
Headset Jack (2.5 mm) - - n/a n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane)

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