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Phone Kyocera DuraForce Ultra 5G LG K40 / Harmony 3 Nokia Lumia 521 / 520
Current U.S. Carriers Verizon (none) (none)
Global Availability Released Released Released
Specifications 
Display Size 5.5" diag.
18 : 9
5.7" diag.
18 : 9
4" diag.
5 : 3
Display Resolution & Type 1080 x 2160 pixels
(~443 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ?
Battery 4,500 mAh 3,000 mAh 1,430 mAh
Processor 2.4 GHz Qualcomm Snapdragon 765G 1.8 GHz Qualcomm Snapdragon 450 1 GHz Qualcomm Snapdragon S4 MSM8270
RAM 6 GB 2 GB 512 MB
Storage 128 GB 32 GB 8 GB
Main Camera 23 megapixel 13 megapixel 5 megapixel
Wide Camera 16 megapixel - -
Tele Camera - - -
Video Capture 4K UHD 1080p HD 720p HD
Front Camera 8 megapixel 5 megapixel -
Weight 9.81 oz
(278g)
5.11 oz
(145g)
4.39 oz
(124g)
Dimensions 6.5" x 2.95" x 0.63"
(165 x 75 x 16 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
Platform / OS Android Android Windows
Network Bands

5G: 2, 5, 66, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 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

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology NR (5G) LTE (Cat 6) HSPA+ 21
Features 
Barometer Yes - -
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
-
Flashlight Yes Yes -
Ruggedized Yes - -
Water-Resistant Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes
Connectivity
Bluetooth Yes Yes Yes
NFC Yes Yes * -
USB Yes
USB Type C
Yes
Micro-USB
Yes
UWB Yes - -
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
Input
Side Keys Yes Yes Yes
Touch Screen Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes
Music
FM Radio - Yes -
Headphone Jack (3.5mm) Yes Yes Yes
Photo & Video
DLNA - Yes -
Power
Fast Charging Yes - -
Wireless Charging Yes - -
Voice
HD Voice Yes Yes -
Push-To-Talk Yes - -
Speaker Phone Yes Yes Yes
  * Some versions only
  Kyocera DuraForce Ultra 5G LG K40 / Harmony 3 Nokia Lumia 521 / 520
  X > < X > < X

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

 
Phone Kyocera DuraForce Ultra 5G LG K40 / Harmony 3 Nokia Lumia 521 / 520

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