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Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Samsung Galaxy Note9 Nokia Lumia 521 / 520 BlackBerry Q10 (GSM)
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.1" diag.
19.5 : 9
6.4" diag.
18.5 : 9
4" diag.
5 : 3
3.1" diag.
1 : 1
Display Resolution & Type 720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
1440 x 2960 pixels
(~514 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 720 pixels
(~328 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? ?
Battery 3,500 mAh 4,000 mAh 1,430 mAh 2,100 mAh
Processor 2 GHz MediaTek Helio P22 (MT6762) 2.8 GHz Qualcomm Snapdragon 845 1 GHz Qualcomm Snapdragon S4 MSM8270 1.5 GHz Qualcomm Snapdragon S4
RAM 3 GB * 6 GB * 512 MB 2 GB
Storage 32 GB 128 GB * 8 GB 16 GB
Main Camera 13 megapixel 12 megapixel 5 megapixel 8 megapixel
Wide Camera 5 megapixel - - -
Tele Camera - 12 megapixel - -
Video Capture 1080p HD 4K UHD 720p HD 1080p HD
Front Camera 8 megapixel 8 megapixel - 2 megapixel
Weight 6.1 oz
(173g)
7.09 oz
(201g)
4.39 oz
(124g)
4.9 oz
(139g)
Dimensions 6.15" x 2.92" x 0.34"
(156 x 74 x 8.6 mm)
6.37" x 3.01" x 0.35"
(162 x 76 x 8.8 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.71" x 2.63" x 0.41"
(120 x 67 x 10.3 mm)
Platform / OS Android Android Windows BlackBerry 10
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, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology LTE (Cat 6) LTE (Cat 18) HSPA+ 21 LTE (Cat 3)
Features 
Barometer - Yes - -
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- -
Flashlight Yes Yes - -
VR-ready - Yes - -
Water-Resistant - Yes
IPX8 (SCUBA)
- -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Yes
Classic Audio
MirrorLink - Yes - -
NFC - Yes - Yes
USB Yes
USB Type C
Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
4 (802.11 a,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Stylus - Yes - -
Text Keyboard, Hardware - - - Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio Yes - - Yes
Headphone Jack (3.5mm) Yes Yes Yes Yes
Stereo Speakers - Yes - -
Photo & Video
DLNA - - - Yes
Miracast - Yes - -
TV Output - Yes - Yes
Power
Fast Charging - Yes - -
Wireless Charging - Yes - -
Voice
HD Voice Yes Yes - -
Speaker Phone Yes Yes Yes Yes
  LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Samsung Galaxy Note9 Nokia Lumia 521 / 520 BlackBerry Q10 (GSM)
  X > < X > < X > < X

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

 
Phone LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus Samsung Galaxy Note9 Nokia Lumia 521 / 520 BlackBerry Q10 (GSM)

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