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Phone Samsung SGH-A657 Samsung Glyde U940 Kyocera KX12 LG AX-390 / UX-390
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
? ?
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
128 x 128 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery 1,420 mAh 1,000 mAh 1,800 mAh 1,000 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) - -
Front Camera - - - -
Weight 4.34 oz
(123g)
4.2 oz
(119g)
4.62 oz
(131g)
3.74 oz
(106g)
Dimensions 4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
Form Factor Slab Slide Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology HSDPA 3.6 EVDO r0 1xRTT 1xRTT
Features 
Flashlight Yes - Yes -
GPS / Location Yes Yes Yes Yes
Ruggedized Yes - Yes -
Accessibility
Hearing Aid Compatible - Yes
M4 (very compatible)
- Yes
M3 (mostly compatible)
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display - - - Yes
Connectivity
Bluetooth Yes Yes - -
USB Yes Yes - -
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes -
Voice Dialing - Yes Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes Yes - Yes
Data & Network
Data Tethering Yes Yes Yes -
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen - Yes - -
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes - - -
EMS / Picture Messaging - - Yes -
Instant Messaging Yes - - -
MMS Yes Yes - Yes
Text Messaging Templates Yes Yes Yes -
Music
Music Player Yes Yes - -
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List Yes - - -
Voice Memo Yes - Yes Yes
Software
BREW - Yes Yes * Yes
Games Yes Yes Yes Yes
Java (J2ME) Yes - - -
Voice
Headset Jack (2.5 mm) - Yes Yes Yes
Push-To-Talk Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SGH-A657 Samsung Glyde U940 Kyocera KX12 LG AX-390 / UX-390
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SGH-A657 Samsung Glyde U940 Kyocera KX12 LG AX-390 / UX-390

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