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Phone LG K40 / Harmony 3 LG Stylo 4 ZTE Flash OnePlus 12R
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
4.5" diag.
16 : 9
6.8" diag.
20 : 9
Display Resolution & Type 720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
1264 x 2780 pixels
(~450 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz 60 Hz 120 Hz
Battery 3,000 mAh 3,300 mAh 1,780 mAh 5,500 mAh
Processor 1.8 GHz Qualcomm Snapdragon 450 1.8 GHz Qualcomm Snapdragon 450 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 Snapdragon 8 Gen 2
RAM 2 GB 2 GB * 1 GB 8 GB *
Storage 32 GB 32 GB * 8 GB 128 GB *
Main Camera 13 megapixel 13 megapixel 12 megapixel 50 megapixel
Wide Camera - - - 8 megapixel
Tele Camera - - - -
Video Capture 1080p HD 1080p HD 1080p HD 4K UHD
Front Camera 5 megapixel 5 megapixel 1 megapixel 16 megapixel
Weight 5.11 oz
(145g)
6.07 oz
(172g)
5.2 oz
(147g)
7.3 oz
(207g)
Dimensions 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)
5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
6.43" x 2.96" x 0.35"
(163 x 75 x 8.8 mm)
Platform / OS Android Android Android Android
Network Bands

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

*

4G LTE: 25

CDMA: 800, 850, 1900

5G: 1, 2, 3, 5, 7, 8, 20, 25, 28, 38, 40, 41, 66, 71, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 6) LTE (Cat 6) LTE (Cat 3) NR (5G)
Features 
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- Yes
in-display (optical)
Flashlight Yes Yes - Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes
NFC Yes * Yes * Yes Yes
USB Yes
Micro-USB
Yes
USB Type C
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)
Yes
4 (802.11 b,g,n)
Yes
7 (802.11 a,ac,ax,b,be,g,n)
Data & Network
Dual-SIM - - - Yes
Input
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes -
Music
FM Radio Yes Yes - -
Headphone Jack (3.5mm) Yes Yes Yes -
Photo & Video
DLNA Yes Yes - -
Power
Fast Charging - - - Yes
Voice
HD Voice Yes Yes Yes Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  LG K40 / Harmony 3 LG Stylo 4 ZTE Flash OnePlus 12R
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K40 / Harmony 3 LG Stylo 4 ZTE Flash OnePlus 12R

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