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Phone LG AX-390 / UX-390 AT&T Vista Audiovox CDM-8400 / CDM-8410 Samsung Galaxy S II Skyrocket
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
18 : 9
? 4.5" diag.
5 : 3
Display Resolution & Type 128 x 128 pixels
LCD (STN)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
480 x 800 pixels
(~207 ppi)
AMOLED
Display Refresh ? 60 Hz ? 60 Hz
Battery 1,000 mAh 2,450 mAh ? 1,850 mAh
Processor ? 2 GHz MediaTek Helio A22 (MT6761V) ? 1.5 GHz Qualcomm Snapdragon S3 APQ8060
RAM ? 3 GB ? 1 GB
Storage ? raw hardware 32 GB ? raw hardware 16 GB
Main Camera - 8 megapixel - 8 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD - 1080p HD
Front Camera - 5 megapixel - 2 megapixel
Weight 3.74 oz
(106g)
5.51 oz
(156g)
3.52 oz
(100g)
4.71 oz
(133g)
Dimensions 3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
4.3" x 1.8" x 0.7"
(109 x 46 x 17.8 mm)
5.12" x 2.72" x 0.35"
(130 x 69 x 9 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

AMPS: 850

4G LTE: 4, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 4) 1xRTT LTE (Cat 3)
Features 
Flashlight - Yes - -
GPS / Location Yes n/a Yes n/a
Accessibility
Hearing Aid Compatible Yes Yes - Yes
Multiple Languages Yes n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth - Yes - Yes
Mobile Hotspot - n/a - n/a
NFC - - - Yes
USB - Yes
USB Type C
- Yes
Micro-USB
Wi-Fi - Yes - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a - n/a
Ringer ID - n/a - n/a
Voice Dialing Yes n/a Yes n/a
Customization
Custom Graphics Yes n/a Yes n/a
Custom Ringtones Yes n/a Yes n/a
Real-Music Ringers Yes n/a - n/a
Data & Network
Data Tethering - n/a Yes n/a
WAP / Web Browser Yes n/a Yes n/a
Input
Predictive Text Entry Yes n/a Yes n/a
Side Keys Yes Yes Yes Yes
Touch Screen - Yes - Yes
Memory
Memory Card Slot - Yes - Yes
Messaging
Email Client - n/a - n/a
EMS / Picture Messaging - n/a Yes n/a
Instant Messaging - n/a - n/a
MMS Yes n/a - n/a
Text Messaging Templates - n/a - n/a
Music
Headphone Jack (3.5mm) - Yes - Yes
Music Player - n/a - n/a
Photo & Video
DLNA - - - Yes
TV Output - - - Yes
Productivity
Alarm Yes n/a Yes n/a
Calculator Yes n/a Yes n/a
Calendar Yes n/a Yes n/a
To-Do List - n/a - n/a
Voice Memo Yes n/a Yes n/a
Software
BREW Yes n/a Yes n/a
Games Yes n/a Yes n/a
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) Yes n/a Yes n/a
Push-To-Talk Yes - - -
Speaker Phone Yes Yes Yes Yes
  LG AX-390 / UX-390 AT&T Vista Audiovox CDM-8400 / CDM-8410 Samsung Galaxy S II Skyrocket
  X > < X > < X > < X

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

 
Phone LG AX-390 / UX-390 AT&T Vista Audiovox CDM-8400 / CDM-8410 Samsung Galaxy S II Skyrocket

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