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Phone Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane) Kyocera 3245
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released 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)
?
LCD (Grayscale)
Display Refresh ? ? ? ? ?
Battery 1,420 mAh ? 1,150 mAh ? ?
Processor ? ? ? ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? 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)
4.23 oz
(120g)
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)
4.61" x 1.97" x 1.02"
(117 x 50 x 25.9 mm)
Form Factor Slab Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) webOS Windows Mobile Standard (proprietary)
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

CDMA: 850, 1900

AMPS: 850

Data Technology HSDPA 3.6 GPRS HSDPA 1.8 GPRS 1xRTT
Features 
Flashlight Yes - - - -
GPS / Location Yes - n/a n/a Yes
Ruggedized Yes - - - -
Accessibility
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes - Yes
Alerts
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
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 Yes
Customization
Custom Graphics Yes - n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes - n/a n/a -
Data & Network
Data Tethering Yes Yes n/a n/a Yes
WAP / Web Browser Yes Yes n/a n/a Yes
Input
Predictive Text Entry Yes Yes n/a n/a Yes
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 -
EMS / Picture Messaging - - n/a n/a Yes
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 Yes
Calculator Yes Yes n/a n/a Yes
Calendar Yes Yes n/a n/a Yes
To-Do List Yes - n/a n/a -
Voice Memo Yes Yes n/a n/a Yes
Software
BREW - - n/a n/a Yes *
Games Yes Yes n/a n/a Yes
Java (J2ME) Yes - n/a n/a -
Voice
Headset Jack (2.5 mm) - - n/a n/a Yes
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane) Kyocera 3245
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Phone Samsung SGH-A657 Ericsson R520 Palm Pre Plus (GSM) HTC SPV C550 (Hurricane) Kyocera 3245

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