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Phone Samsung Highlight SGH-T749 Sony Ericsson Z550a Samsung Trill R520
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 3" diag.
5 : 3
1.9" diag.
4 : 3
2.2" diag.
4 : 3
Display Resolution & Type 240 x 400 pixels
(~155 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~148 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~128 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ?
Battery 1,200 mAh ? 880 mAh
Processor ? ? ?
RAM ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 1 megapixel 1 megapixel
Wide Camera - - -
Tele Camera - - -
Video Capture QVGA (320 x 240) ? ?
Front Camera - - -
Weight 3.7 oz
(105g)
3.26 oz
(92g)
3.42 oz
(97g)
Dimensions 4.27" x 2.11" x 0.54"
(108 x 54 x 13.7 mm)
3.43" x 1.77" x 0.79"
(87 x 45 x 20.1 mm)
3.97" x 1.96" x 0.57"
(101 x 50 x 14.5 mm)
Form Factor Slab Clamshell Slide
Platform / OS (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology HSDPA 3.6 GPRS EVDO r0
Features 
GPS / Location Yes - Yes
Accessibility
Hearing Aid Compatible - - Yes
Multiple Languages Yes Yes Yes
TTY/TDD (Digital) - Yes Yes
Alerts
Extra Display - Yes -
Ringer Profiles Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes Yes
Classic Audio
USB Yes Yes Yes
Contacts
Picture ID Yes Yes Yes
Ringer ID Yes Yes Yes
Voice Dialing Yes Yes Yes
Customization
Custom Graphics Yes Yes Yes
Custom Ringtones Yes Yes Yes
Real-Music Ringers Yes Yes Yes
Data & Network
Data Tethering - Yes Yes
WAP / Web Browser Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes
Side Keys Yes Yes Yes
Touch Screen Yes - -
Memory
Memory Card Slot Yes Yes Yes
Messaging
Email Client Yes Yes -
Instant Messaging Yes - -
MMS Yes Yes Yes
Text Messaging Templates Yes Yes Yes
Music
FM Radio - Yes -
Headphone Jack (3.5mm) - - Yes
Music Player Yes Yes Yes
Productivity
Alarm Yes Yes Yes
Calculator Yes Yes Yes
Calendar Yes Yes Yes
To-Do List Yes Yes -
Voice Memo - Yes Yes
Software
BREW - - Yes
Games Yes Yes Yes
Java (J2ME) Yes Yes -
Voice
Push-To-Talk - Yes * -
Speaker Phone Yes Yes Yes
  * Some versions only
  Samsung Highlight SGH-T749 Sony Ericsson Z550a Samsung Trill R520
  X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Highlight SGH-T749 Sony Ericsson Z550a Samsung Trill R520

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