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Phone Samsung Trance SCH-U490 HTC Desire 520 BlackBerry 7750 Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
4.5" diag.
16 : 9
? ?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery ? 2,000 mAh ? 1,000 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ?
RAM ? 1 GB ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 8 megapixel - 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD - ?
Front Camera - 2 megapixel - -
Weight 3.53 oz
(100g)
4.9 oz
(139g)
5.01 oz
(142g)
4.4 oz
(125g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
5.5" x 2.71" x 0.36"
(140 x 69 x 9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slide Slab Slab Clamshell
Platform / OS (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

Data Technology 1xRTT LTE (Cat 3) 1xRTT EVDO r0
Features 
Flashlight - - - Yes
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size Yes n/a n/a -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes Yes - Yes
Mobile Hotspot - n/a n/a -
USB Yes Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering Yes n/a n/a Yes
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes - Yes
Messaging
Email Client - n/a n/a -
EMS / Picture Messaging - n/a n/a Yes
Instant Messaging - n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) Yes Yes - -
Music Player Yes n/a n/a Yes
Stereo Speakers - - - Yes
Photo & Video
DLNA - Yes - -
TV Output - - - Yes
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a -
Voice Memo Yes n/a n/a Yes
Software
BREW Yes n/a n/a Yes
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a -
Voice
Headset Jack (2.5 mm) - n/a n/a -
Speaker Phone Yes Yes - Yes
  Samsung Trance SCH-U490 HTC Desire 520 BlackBerry 7750 Samsung SCH-A990
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Phone Samsung Trance SCH-U490 HTC Desire 520 BlackBerry 7750 Samsung SCH-A990

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