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Phone Samsung SCH-A990 LG K40 / Harmony 3 LG Stylo 4 Samsung SCH-R211
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 5.7" diag.
18 : 9
6.2" diag.
18 : 9
1.5" diag.
1 : 1
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 128 pixels
(~121 ppi)
LCD (STN)
Display Refresh ? 60 Hz 60 Hz ?
Battery 1,000 mAh 3,000 mAh 3,300 mAh 800 mAh
Processor ? 1.8 GHz Qualcomm Snapdragon 450 1.8 GHz Qualcomm Snapdragon 450 ?
RAM ? 2 GB 2 GB * ?
Storage ? raw hardware 32 GB 32 GB * ? raw hardware
Main Camera 3 megapixel 13 megapixel 13 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 1080p HD 1080p HD -
Front Camera - 5 megapixel 5 megapixel -
Weight 4.4 oz
(125g)
5.11 oz
(145g)
6.07 oz
(172g)
2.73 oz
(77g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
Form Factor Clamshell Slab Slab Slab
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

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

*

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

*

CDMA: 850, 1700, 1900

Data Technology EVDO r0 LTE (Cat 6) LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
-
Flashlight Yes Yes Yes -
GPS / Location Yes n/a n/a Yes
Accessibility
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Connectivity
Bluetooth Yes Yes Yes -
NFC - Yes * Yes * -
USB Yes Yes
Micro-USB
Yes
USB Type C
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a -
Data & Network
Data Tethering Yes n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Stylus - - Yes -
Touch Screen - Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes -
Messaging
EMS / Picture Messaging Yes n/a n/a -
MMS Yes n/a n/a -
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - Yes Yes -
Headphone Jack (3.5mm) - Yes Yes -
Music Player Yes n/a n/a -
Stereo Speakers Yes - - -
Photo & Video
DLNA - Yes Yes -
TV Output Yes - - -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a -
Software
BREW Yes n/a n/a Yes
Games Yes n/a n/a Yes
Voice
HD Voice - Yes Yes -
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A990 LG K40 / Harmony 3 LG Stylo 4 Samsung SCH-R211
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Phone Samsung SCH-A990 LG K40 / Harmony 3 LG Stylo 4 Samsung SCH-R211

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