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Phone LG AX-390 / UX-390 Samsung SCH-N330 LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Sonim XP Strike
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.1" diag.
19.5 : 9
2" diag.
4 : 3
Display Resolution & Type 128 x 128 pixels
LCD (STN)
128 x 160 pixels
LCD (STN)
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,000 mAh ? 3,500 mAh 1,950 mAh
Processor ? ? 2 GHz MediaTek Helio P22 (MT6762) ?
RAM ? ? 3 GB * 256 MB
Storage ? raw hardware ? raw hardware 32 GB 512 MB
Main Camera - - 13 megapixel 2 megapixel
Wide Camera - - 5 megapixel -
Tele Camera - - - -
Video Capture - - 1080p HD ?
Front Camera - - 8 megapixel -
Weight 3.74 oz
(106g)
3.9 oz
(111g)
6.1 oz
(173g)
6.52 oz
(185g)
Dimensions 3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
3.8" x 1.9" x 0.9"
(97 x 48 x 22.9 mm)
6.15" x 2.92" x 0.34"
(156 x 74 x 8.6 mm)
4.95" x 2.3" x 0.98"
(126 x 58 x 24.9 mm)
Form Factor Clamshell Slide Slab Slab
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 800, 850, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 6) EVDO rA
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes Yes
GPS / Location Yes Yes n/a Yes
Ruggedized - - - Yes
Water-Resistant - - - Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display Yes - - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth - - Yes Yes
USB - - Yes
USB Type C
Yes
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID - - n/a Yes
Voice Dialing Yes Yes n/a -
Customization
Custom Graphics Yes Yes n/a Yes
Custom Ringtones Yes Yes n/a Yes
Real-Music Ringers Yes - n/a Yes
Data & Network
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes Yes
Messaging
EMS / Picture Messaging - Yes n/a -
MMS Yes - n/a Yes
Text Messaging Templates - Yes n/a -
Music
FM Radio - - Yes Yes
Headphone Jack (3.5mm) - - Yes Yes
Music Player - - n/a Yes
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - Yes n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW Yes Yes n/a -
Games Yes Yes n/a Yes
Java (J2ME) - - n/a Yes
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a -
Push-To-Talk Yes - - Yes
Speaker Phone Yes Yes Yes Yes
  LG AX-390 / UX-390 Samsung SCH-N330 LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Sonim XP Strike
  X > < X > < X > < X

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

 
Phone LG AX-390 / UX-390 Samsung SCH-N330 LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Sonim XP Strike

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