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Phone LG PM-225 LG AX-490 LG Stylo 4 Samsung SGH-X640
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 6.2" diag.
18 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,000 mAh 1,100 mAh 3,300 mAh 800 mAh
Processor ? ? 1.8 GHz Qualcomm Snapdragon 450 ?
RAM ? ? 2 GB * ?
Storage ? raw hardware ? raw hardware 32 GB * ? raw hardware
Main Camera Yes Yes 13 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - - 1080p HD -
Front Camera - - 5 megapixel -
Weight 3.35 oz
(95g)
3.79 oz
(107g)
6.07 oz
(172g)
3 oz
(85g)
Dimensions 3.53" x 1.76" x 0.93"
(90 x 45 x 23.6 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.43" x 1.81" x 0.91"
(87 x 46 x 23.1 mm)
Form Factor Clamshell Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 6) GPRS
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location Yes Yes n/a -
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly 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 Yes - -
Connectivity
Bluetooth - Yes Yes -
NFC - - Yes * -
USB Yes Yes Yes
USB Type C
-
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes Yes n/a Yes
Ringer ID Yes Yes 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 -
Data & Network
Data Tethering - Yes n/a -
WAP / Web Browser Yes Yes n/a Yes
Input
Predictive Text Entry Yes - n/a Yes
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Text Keyboard, Hardware - Yes - -
Touch Screen - - Yes
Capacitive
-
Memory
Memory Card Slot - - Yes -
Messaging
EMS / Picture Messaging - - n/a Yes
MMS - Yes n/a Yes
Text Messaging Templates - Yes n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - - Yes -
Stereo Speakers - Yes - -
Photo & Video
DLNA - - Yes -
Productivity
Alarm Yes Yes n/a Yes
Calculator Yes Yes n/a Yes
Calendar Yes Yes n/a Yes
To-Do List - - n/a Yes
Voice Memo Yes Yes n/a Yes
Software
BREW - Yes n/a -
Games Yes Yes n/a Yes
Java (J2ME) Yes - n/a Yes
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) Yes Yes n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG PM-225 LG AX-490 LG Stylo 4 Samsung SGH-X640
  X > < X > < X > < X

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

 
Phone LG PM-225 LG AX-490 LG Stylo 4 Samsung SGH-X640

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