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Phone LG Stylo 4 Nixxo NXG-9230 Samsung SCH-A990 OnePlus 7 Pro (5G) Amazon Fire
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 6.2" diag.
18 : 9
? ? 6.7" diag.
19.5 : 9
4.7" diag.
16 : 9
Display Resolution & Type 1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
240 x 320 pixels
LCD (TFT/TFD)
1440 x 3120 pixels
(~515 ppi)
AMOLED
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 90 Hz ?
Battery 3,300 mAh ? 1,000 mAh 4,000 mAh 2,400 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 ? ? 2.8 GHz Qualcomm Snapdragon 855 2.2 GHz Qualcomm Snapdragon 800
RAM 2 GB * ? ? 6 GB * 2 GB
Storage 32 GB * ? raw hardware ? raw hardware 128 GB * 32 GB *
Main Camera 13 megapixel - 3 megapixel 48 megapixel 13 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - 8 megapixel -
Video Capture 1080p HD - ? 4K UHD 1080p HD
Front Camera 5 megapixel - - 16 megapixel 2 megapixel
Weight 6.07 oz
(172g)
3.1 oz
(88g)
4.4 oz
(125g)
7.27 oz
(206g)
5.64 oz
(160g)
Dimensions 6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.35" x 1.8" x 0.9"
(85 x 46 x 22.9 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
6.4" x 2.99" x 0.35"
(163 x 76 x 8.8 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
Form Factor Slab Clamshell Clamshell Slab Slab
Platform / OS Android (proprietary) (proprietary) Android (proprietary)
Network Bands

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: 850, 1900

CDMA: 850, 1900

5G: 41

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) GPRS EVDO r0 LTE (Cat 18) LTE (Cat 4)
Features 
Fingerprint Reader Yes
stand-alone
- - Yes
in-display (optical)
-
Flashlight Yes - Yes Yes Yes
GPS / Location n/a - Yes n/a Yes
Water-Resistant - - - Yes -
Accessibility
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Extra Display - Yes Yes - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes - Yes Yes Yes
Mobile Hotspot n/a - - n/a Yes
NFC Yes * - - Yes Yes
USB Yes
USB Type C
- Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a Yes Yes n/a Yes
Ringer ID n/a Yes Yes n/a Yes
Voice Dialing n/a - Yes n/a Yes
Customization
Custom Graphics n/a Yes Yes n/a -
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - Yes n/a -
Data & Network
Data Tethering n/a Yes Yes n/a Yes
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Stylus Yes - - - -
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot Yes - Yes - -
Messaging
Email Client n/a - - n/a Yes
EMS / Picture Messaging n/a Yes Yes n/a -
MMS n/a - Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - Yes n/a Yes
Stereo Speakers - - Yes Yes Yes
Photo & Video
DLNA Yes - - - -
Miracast - - - - Yes
TV Output - - Yes - Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
Voice Memo n/a - Yes n/a Yes
Software
BREW n/a - Yes n/a -
Games n/a Yes Yes n/a Yes
Voice
HD Voice Yes - - Yes Yes
Headset Jack (2.5 mm) n/a Yes - n/a -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  LG Stylo 4 Nixxo NXG-9230 Samsung SCH-A990 OnePlus 7 Pro (5G) Amazon Fire
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG Stylo 4 Nixxo NXG-9230 Samsung SCH-A990 OnePlus 7 Pro (5G) Amazon Fire

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