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Phone Nokia Lumia 521 / 520 Samsung Galaxy S6 (GSM) Kyocera 3225 BlackBerry KEYone Nubia RedMagic 5S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5.1" diag.
16 : 9
? 4.5" diag.
5 : 3
6.7" diag.
19.5 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~576 ppi)
AMOLED
?
LCD (Grayscale)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
Display Refresh ? 60 Hz ? 60 Hz 144 Hz
Battery 1,430 mAh 2,550 mAh ? 3,505 mAh 4,500 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 2.1 GHz Samsung Exynos 7420 ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) Qualcomm Snapdragon 865
RAM 512 MB 3 GB ? 3 GB 8 GB *
Storage 8 GB 32 GB * ? raw hardware 32 GB 128 GB *
Main Camera 5 megapixel 16 megapixel - 12 megapixel 64 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture 720p HD 4K UHD - 4K UHD 4K UHD
Front Camera - 5 megapixel - 8 megapixel 8 megapixel
Weight 4.39 oz
(124g)
4.87 oz
(138g)
4.23 oz
(120g)
6.35 oz
(180g)
7.76 oz
(220g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.87" x 2.85" x 0.37"
(149 x 72 x 9.4 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Windows Android (proprietary) Android Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 29, 30, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 LTE (Cat 6) 1xRTT LTE (Cat 6) NR (5G)
Features 
Fingerprint Reader - Yes - Yes
stand-alone
Yes
Flashlight - Yes - Yes Yes
GPS / Location n/a n/a Yes n/a n/a
VR-ready - Yes - - -
Accessibility
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes -
Connectivity
Bluetooth Yes Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes - - -
MirrorLink - Yes - - -
Mobile Hotspot n/a n/a - n/a n/a
NFC - Yes - Yes -
USB Yes Yes
Micro-USB
- Yes
USB Type C
Yes
USB Type C
Wi-Fi Yes Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a n/a - n/a n/a
Ringer ID n/a n/a - n/a n/a
Voice Dialing n/a n/a Yes n/a n/a
Customization
Custom Graphics n/a n/a Yes n/a n/a
Custom Ringtones n/a n/a Yes n/a n/a
Real-Music Ringers n/a n/a - n/a n/a
Data & Network
Data Tethering n/a n/a Yes n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser n/a n/a Yes n/a n/a
Input
Predictive Text Entry n/a n/a Yes n/a n/a
Side Keys Yes Yes - Yes Yes
Text Keyboard, Hardware - - - Yes -
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a n/a - n/a n/a
EMS / Picture Messaging n/a n/a Yes n/a n/a
Instant Messaging n/a n/a - n/a n/a
MMS n/a n/a - n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player n/a n/a - n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - Yes - - -
Miracast - Yes - Yes -
TV Output - Yes - - Yes
Power
Fast Charging - Yes - Yes Yes
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes n/a n/a
Calculator n/a n/a Yes n/a n/a
Calendar n/a n/a Yes n/a n/a
To-Do List n/a n/a - n/a n/a
Voice Memo n/a n/a - n/a n/a
Software
BREW n/a n/a Yes n/a n/a
Games n/a n/a Yes n/a n/a
Voice
HD Voice - Yes - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  Nokia Lumia 521 / 520 Samsung Galaxy S6 (GSM) Kyocera 3225 BlackBerry KEYone Nubia RedMagic 5S
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 Samsung Galaxy S6 (GSM) Kyocera 3225 BlackBerry KEYone Nubia RedMagic 5S

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