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Phone Nokia Lumia 521 / 520 BlackBerry 7750 Samsung Galaxy A71 5G Nokia 6
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
? 6.7" diag.
20 : 9
5.5" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1080 x 2400 pixels
(~393 ppi)
AMOLED
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz
Battery 1,430 mAh ? 4,500 mAh 3,000 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 ? 2.4 GHz Qualcomm Snapdragon 765 1.4 GHz Qualcomm Snapdragon 430 (MSM8937)
RAM 512 MB ? 6 GB 3 GB
Storage 8 GB ? raw hardware 128 GB 32 GB
Main Camera 5 megapixel - 64 megapixel 16 megapixel
Wide Camera - - 12 megapixel -
Tele Camera - - - -
Video Capture 720p HD - 4K UHD 1080p HD
Front Camera - - 32 megapixel 8 megapixel
Weight 4.39 oz
(124g)
5.01 oz
(142g)
6.52 oz
(185g)
5.9 oz
(167g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
6.39" x 2.97" x 0.31"
(162 x 75 x 7.9 mm)
6.06" x 2.98" x 0.31"
(154 x 76 x 7.8 mm)
Platform / OS Windows BlackBerry OS Android Android
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

5G: 2, 5, 41, 66, 71, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 3, 4, 7, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 1xRTT NR (5G) LTE (Cat 4)
Features 
Fingerprint Reader - - Yes
in-display (optical)
Yes
stand-alone
Flashlight - - Yes Yes
Accessibility
Hearing Aid Compatible Yes - Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes - Yes Yes
NFC - - Yes Yes
USB Yes Yes Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes - Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - -
Touch Screen Yes - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes - Yes Yes
Power
Fast Charging - - Yes -
Voice
HD Voice - - Yes -
Speaker Phone Yes - Yes Yes
  Nokia Lumia 521 / 520 BlackBerry 7750 Samsung Galaxy A71 5G Nokia 6
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Nokia Lumia 521 / 520 BlackBerry 7750 Samsung Galaxy A71 5G Nokia 6

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