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Phone LG AX-390 / UX-390 Sanyo MM-8300 AT&T Maestro 3
Current U.S. Carriers (none) (none) (none)
Global Availability Released Released Released
Specifications 
Display Size ? ? 6.5" diag.
20 : 9
Display Resolution & Type 128 x 128 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz
Battery 1,000 mAh 1,000 mAh 3,900 mAh
Processor ? ? 2 GHz MediaTek Helio A22 (MT6761)
RAM ? ? 3 GB
Storage ? raw hardware ? raw hardware 32 GB
Main Camera - Yes 13 megapixel
Wide Camera - - 5 megapixel
Tele Camera - - -
Video Capture - QCIF (176 x 144) 1080p HD
Front Camera - - 5 megapixel
Weight 3.74 oz
(106g)
3.6 oz
(102g)
6.24 oz
(177g)
Dimensions 3.82" x 1.98" x 0.94"
(97 x 50 x 23.9 mm)
3.35" x 1.85" x 0.97"
(85 x 47 x 24.6 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
Form Factor Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

4G LTE: 2, 4, 5, 12, 14, 30

Data Technology 1xRTT 1xRTT LTE (Cat 4)
Features 
Barometer - - Yes
Fingerprint Reader - - Yes
stand-alone
Flashlight - Yes Yes
GPS / Location Yes Yes n/a
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
- Yes
M4, T4 (very tele-coil compatible)
Multiple Languages Yes - n/a
TTY/TDD (Digital) Yes Yes -
Alerts
Extra Display Yes Yes -
Connectivity
Bluetooth - - Yes
USB - Yes Yes
USB Type C
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a
Ringer ID - Yes n/a
Voice Dialing Yes Yes n/a
Customization
Changeable Body Plates - Yes -
Custom Graphics Yes Yes n/a
Custom Ringtones Yes Yes n/a
Real-Music Ringers Yes - n/a
Data & Network
Data Tethering - Yes n/a
WAP / Web Browser Yes Yes n/a
Input
Predictive Text Entry Yes Yes n/a
Side Keys Yes Yes Yes
Touch Screen - - Yes
Capacitive
Memory
Memory Card Slot - - Yes
Messaging
MMS Yes - n/a
Music
Headphone Jack (3.5mm) - - Yes
Productivity
Alarm Yes Yes n/a
Calculator Yes Yes n/a
Calendar Yes Yes n/a
To-Do List - Yes n/a
Voice Memo Yes Yes n/a
Software
BREW Yes - n/a
Games Yes Yes n/a
Java (J2ME) - Yes n/a
Voice
Call Screening - Yes -
HD Voice - - Yes
Headset Jack (2.5 mm) Yes Yes n/a
Push-To-Talk Yes Yes -
Speaker Phone Yes Yes Yes
  LG AX-390 / UX-390 Sanyo MM-8300 AT&T Maestro 3
  X > < X > < X

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Phone LG AX-390 / UX-390 Sanyo MM-8300 AT&T Maestro 3

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