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Phone Samsung SCH-A990 Huawei W1 LG AX-490 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
5 : 3
? ?
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,000 mAh 1,950 mAh 1,100 mAh 800 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon 400 MSM8230 ? ?
RAM ? 512 MB ? ?
Storage ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 5 megapixel Yes Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 720p HD - -
Front Camera - Yes - -
Weight 4.4 oz
(125g)
4.41 oz
(125g)
3.79 oz
(107g)
3 oz
(85g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.84" x 2.5" x 0.41"
(123 x 64 x 10.4 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Slab Clamshell Clamshell
Platform / OS (proprietary) Windows (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

Data Technology EVDO r0 HSPA+ 21 1xRTT GPRS
Features 
Flashlight Yes - - -
GPS / Location Yes n/a Yes -
Accessibility
Adjustable Text Size - n/a - -
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes - Yes -
Alerts
Extra Display Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes -
USB Yes Yes
Micro-USB
Yes -
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing Yes n/a Yes -
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers Yes n/a Yes -
Data & Network
Data Tethering Yes n/a Yes -
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a - Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client - n/a - -
EMS / Picture Messaging Yes n/a - Yes
Instant Messaging - n/a - -
MMS Yes n/a Yes Yes
Text Messaging Templates Yes n/a Yes Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player Yes n/a - -
Stereo Speakers Yes - Yes -
Photo & Video
TV Output Yes - - -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List - n/a - Yes
Voice Memo Yes n/a Yes Yes
Software
BREW Yes n/a Yes -
Games Yes n/a Yes Yes
Java (J2ME) - n/a - Yes
Voice
Headset Jack (2.5 mm) - n/a Yes Yes
Speaker Phone Yes Yes Yes Yes
  Samsung SCH-A990 Huawei W1 LG AX-490 Samsung SGH-X640
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Phone Samsung SCH-A990 Huawei W1 LG AX-490 Samsung SGH-X640

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