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Phone Samsung SPH-i550 Huawei Ascend Samsung SPH-A520
Current U.S. Carriers (none) (none) (none)
Global Availability Not yet released Released Released
Specifications 
Display Size ? 3.5" diag.
5 : 3
?
Display Resolution & Type 320 x 320 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
?
LCD (STN)
Display Refresh ? 60 Hz ?
Battery ? 1,500 mAh ?
Processor 200 MHz Motorola MX-1 528 MHz Qualcomm S1 MSM7625 ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 3 megapixel -
Wide Camera - - -
Tele Camera - - -
Video Capture ? CIF (352 x 288) -
Front Camera - - -
Weight ? 4.76 oz
(135g)
3.6 oz
(102g)
Dimensions 3.46" x 2.34" x 1.1"
(88 x 59 x 27.9 mm)
4.57" x 2.44" x 0.55"
(116 x 62 x 14 mm)
3.46" x 1.83" x 0.91"
(88 x 46 x 23.1 mm)
Form Factor Clamshell Slab Clamshell
Platform / OS Palm OS Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT EVDO rA 1xRTT
Features 
GPS / Location n/a n/a Yes
Accessibility
Hearing Aid Compatible - Yes -
Multiple Languages n/a n/a Yes
TTY/TDD (Digital) Yes Yes -
Alerts
Extra Display Yes - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
-
Infrared (IR) Yes - -
USB - Yes -
Wi-Fi - Yes
802.11 b,g
-
Contacts
Picture ID n/a n/a Yes
Ringer ID n/a n/a Yes
Voice Dialing n/a n/a Yes
Customization
Custom Graphics n/a n/a Yes
Custom Ringtones n/a n/a Yes
Real-Music Ringers n/a n/a -
Data & Network
Data Tethering n/a n/a Yes
WAP / Web Browser n/a n/a Yes
Input
Predictive Text Entry n/a n/a Yes
Side Keys Yes Yes Yes
Touch Screen Yes Yes -
Memory
Memory Card Slot Yes Yes -
Messaging
Email Client n/a n/a -
Instant Messaging n/a n/a -
MMS n/a n/a -
Music
Music Player n/a n/a -
Productivity
Alarm n/a n/a Yes
Calculator n/a n/a Yes
Calendar n/a n/a Yes
To-Do List n/a n/a Yes
Voice Memo n/a n/a Yes
Software
Games n/a n/a Yes
Voice
Headset Jack (2.5 mm) n/a n/a Yes
Speaker Phone - Yes -
  * Some versions only
  Samsung SPH-i550 Huawei Ascend Samsung SPH-A520
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Phone Samsung SPH-i550 Huawei Ascend Samsung SPH-A520

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