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Phone Samsung Trance SCH-U490 Samsung SGH-A727 LG K51 / Reflect BlackBerry Curve 9370 Audiovox CDM-9900
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? 6.5" diag.
19.5 : 9
2.4" diag.
4 : 3
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
220 x 176 pixels
LCD (TFT/TFD)
720 x 1560 pixels
(~264 ppi)
LCD (TFT/TFD)
480 x 360 pixels
(~246 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery ? ? 4,000 mAh 1,000 mAh ?
Processor ? ? 2 GHz MediaTek Helio P22 (MT6762) 800 MHz Marvell ?
RAM ? ? 3 GB ? ?
Storage ? raw hardware ? raw hardware 32 GB 1 GB ? raw hardware
Main Camera 1 megapixel 1 megapixel 13 megapixel 5 megapixel Yes
Wide Camera - - 5 megapixel - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 1080p HD VGA (640 x 480) ?
Front Camera - - 13 megapixel - -
Weight 3.53 oz
(100g)
2.82 oz
(80g)
7.21 oz
(204g)
3.49 oz
(99g)
4.09 oz
(116g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
4.51" x 2.01" x 0.35"
(115 x 51 x 8.9 mm)
6.57" x 3.07" x 0.33"
(167 x 78 x 8.4 mm)
4.29" x 2.36" x 0.43"
(109 x 60 x 10.9 mm)
3.66" x 1.89" x 0.95"
(93 x 48 x 24.1 mm)
Form Factor Slide Slab Slab Slab Clamshell
Platform / OS (proprietary) (proprietary) Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT HSDPA 1.8 LTE (Cat 6) EVDO rA 1xRTT
Features 
Fingerprint Reader - - Yes
stand-alone
- -
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
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes -
NFC - - - Yes -
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes Yes n/a n/a Yes
Ringer ID Yes Yes n/a n/a Yes
Voice Dialing Yes - n/a n/a Yes
Customization
Custom Graphics Yes Yes n/a n/a Yes
Custom Ringtones Yes Yes n/a n/a Yes
Real-Music Ringers Yes 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 Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes 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 Yes n/a n/a Yes
Text Messaging Templates Yes Yes n/a n/a Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player Yes Yes n/a n/a -
Stereo Speakers - - Yes - -
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 Yes
Voice Memo Yes Yes n/a n/a Yes
Software
BREW Yes - 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
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Trance SCH-U490 Samsung SGH-A727 LG K51 / Reflect BlackBerry Curve 9370 Audiovox CDM-9900
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Trance SCH-U490 Samsung SGH-A727 LG K51 / Reflect BlackBerry Curve 9370 Audiovox CDM-9900

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