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Phone BlackBerry Curve 3G 9330 Nubia Red Magic 3 / 3S Cricket Debut S2 / AT&T Calypso 4 Nokia Lumia 521 / 520 Kyocera DuraXV LTE
Current U.S. Carriers (none) (none) AT&T (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.5" diag.
4 : 3
6.7" diag.
19.5 : 9
6.1" diag.
19.5 : 9
4" diag.
5 : 3
2.6" diag.
4 : 3
Display Resolution & Type 320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
720 x 1560 pixels
(~282 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? 90 Hz 60 Hz ? ?
Battery 1,150 mAh 5,000 mAh 3,000 mAh 1,430 mAh 1,530 mAh
Processor ? Qualcomm Snapdragon 855+ 2 GHz MediaTek Helio A22 (MT6761WB) 1 GHz Qualcomm Snapdragon S4 MSM8270 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? 8 GB * 3 GB 512 MB 2 GB
Storage ? raw hardware 128 GB * 64 GB 8 GB 16 GB
Main Camera 2 megapixel 48 megapixel 8 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 4K UHD ? 720p HD 720p HD
Front Camera - 16 megapixel 5 megapixel - -
Weight 3.7 oz
(105g)
7.58 oz
(215g)
5.64 oz
(160g)
4.39 oz
(124g)
6.17 oz
(175g)
Dimensions 4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
6.76" x 3.09" x 0.38"
(172 x 79 x 9.7 mm)
6.11" x 2.87" x 0.34"
(155 x 73 x 8.6 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.21" x 2.26" x 1.03"
(107 x 57 x 26.2 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS BlackBerry OS Android Android Windows (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66

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

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66

WCDMA: 1, 2, 4, 5, 8

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 LTE (Cat 9) LTE (Cat 4) HSPA+ 21 LTE (Cat 4)
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - Yes
GPS / Location n/a n/a n/a n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a n/a n/a n/a Yes
Hearing Aid Compatible Yes - Yes Yes Yes
Multiple Languages n/a n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a n/a n/a n/a Yes
USB Yes
Micro-USB
Yes
USB Type C
Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes Yes
Contacts
Picture ID n/a n/a n/a n/a Yes
Ringer ID n/a n/a n/a n/a Yes
Voice Dialing n/a n/a n/a n/a Yes
Customization
Custom Graphics n/a n/a n/a n/a Yes
Custom Ringtones n/a n/a n/a n/a Yes
Real-Music Ringers n/a n/a n/a n/a Yes
Data & Network
Data Tethering n/a n/a n/a n/a Yes
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a n/a n/a Yes
Input
Predictive Text Entry n/a n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - - -
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a n/a n/a n/a Yes
Instant Messaging n/a n/a n/a n/a -
MMS n/a n/a n/a n/a Yes
Text Messaging Templates n/a n/a n/a n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes Yes
Music Player n/a n/a n/a n/a Yes
Stereo Speakers - Yes - - -
Photo & Video
TV Output - Yes - - -
Power
Fast Charging - Yes Yes - -
Productivity
Alarm n/a n/a n/a n/a Yes
Calculator n/a n/a n/a n/a Yes
Calendar n/a n/a n/a n/a Yes
To-Do List n/a n/a n/a n/a Yes
Voice Memo n/a n/a n/a n/a Yes
Software
Games n/a n/a n/a n/a -
Java (J2ME) n/a n/a n/a n/a -
Voice
HD Voice - Yes Yes - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  BlackBerry Curve 3G 9330 Nubia Red Magic 3 / 3S Cricket Debut S2 / AT&T Calypso 4 Nokia Lumia 521 / 520 Kyocera DuraXV LTE
  X > < X > < X > < X > < X

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

 
Phone BlackBerry Curve 3G 9330 Nubia Red Magic 3 / 3S Cricket Debut S2 / AT&T Calypso 4 Nokia Lumia 521 / 520 Kyocera DuraXV LTE

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