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Phone Samsung Comeback T559 Huawei M228 Sony Ericsson Z550a Samsung Omnia II (CDMA)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.6" diag.
5 : 3
1.8" diag. 1.9" diag.
4 : 3
3.7" diag.
5 : 3
Display Resolution & Type 400 x 240 pixels
(~179 ppi)
LCD (TFT/TFD)
? 176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
AMOLED
Display Refresh ? ? ? ?
Battery 960 mAh 1,150 mAh ? 1,500 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB
Main Camera 2 megapixel Yes 1 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) - ? WVGA / 480p
Front Camera - - - -
Weight 4.6 oz
(130g)
2.96 oz
(84g)
3.26 oz
(92g)
5.03 oz
(143g)
Dimensions 4.33" x 2.2" x 0.73"
(110 x 56 x 18.5 mm)
4.29" x 1.78" x 0.59"
(109 x 45 x 15 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
4.74" x 2.39" x 0.54"
(120 x 61 x 13.7 mm)
Form Factor Slab Slab Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) Windows Mobile Professional
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1700, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology HSDPA 3.6 1xRTT GPRS EVDO rA
Features 
GPS / Location - Yes - n/a
Accessibility
Hearing Aid Compatible - Yes - Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - Yes -
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes Yes
Classic Audio
USB Yes Yes
Mini-USB
Yes Yes
Micro-USB
Wi-Fi - - - Yes
802.11 b,g
Contacts
Picture ID Yes Yes Yes n/a
Ringer ID Yes - Yes n/a
Voice Dialing Yes - Yes n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes - Yes n/a
Data & Network
Data Tethering - - Yes n/a
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes Yes Yes Yes
Stylus - - - Yes
Text Keyboard, Hardware Yes - - -
Touch Screen - - - Yes
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client Yes - Yes n/a
Instant Messaging Yes - - n/a
MMS Yes Yes Yes n/a
Text Messaging Templates Yes - Yes n/a
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - - - Yes
Music Player Yes - Yes n/a
Stereo Speakers - - - Yes
Photo & Video
DLNA - - - Yes
TV Output - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes Yes Yes n/a
To-Do List Yes - Yes n/a
Voice Memo Yes Yes Yes n/a
Software
BREW - Yes - n/a
Games Yes Yes Yes n/a
Java (J2ME) Yes - Yes n/a
Voice
Headset Jack (2.5 mm) - Yes - n/a
Push-To-Talk - - Yes * -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung Comeback T559 Huawei M228 Sony Ericsson Z550a Samsung Omnia II (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Comeback T559 Huawei M228 Sony Ericsson Z550a Samsung Omnia II (CDMA)

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