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Phone Nokia Lumia 521 / 520 AT&T Vista TCL 40 XL / Jitterbug Smart 4 BlackBerry Storm2 9550
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5.5" diag.
18 : 9
6.8" diag.
20 : 9
3.3" diag.
4 : 3
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~260 ppi)
LCD (TFT/TFD)
360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 90 Hz ?
Battery 1,430 mAh 2,450 mAh 5,000 mAh 1,400 mAh
Processor 1 GHz Qualcomm Snapdragon S4 MSM8270 2 GHz MediaTek Helio A22 (MT6761V) 2.3 GHz MediaTek Helio G37 ?
RAM 512 MB 3 GB 4 GB ?
Storage 8 GB 32 GB 128 GB ? raw hardware
Main Camera 5 megapixel 8 megapixel 50 megapixel 3 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 720p HD 1080p HD 1080p HD ?
Front Camera - 5 megapixel 8 megapixel -
Weight 4.39 oz
(124g)
5.51 oz
(156g)
6.88 oz
(195g)
5.64 oz
(160g)
Dimensions 4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
6.61" x 3.01" x 0.35"
(168 x 76 x 8.8 mm)
4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
Platform / OS Windows Android Android BlackBerry OS
Network Bands

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 LTE (Cat 4) LTE (Cat 6) EVDO rA
Features 
Barometer - - Yes -
Fingerprint Reader - - Yes -
Flashlight - Yes Yes -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
USB Yes Yes
USB Type C
Yes
USB Type C
Yes
Wi-Fi Yes Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
802.11 b,g
Input
Side Keys Yes Yes Yes Yes
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Stereo Speakers - - Yes -
Power
Fast Charging - - Yes -
Voice
HD Voice - Yes Yes -
Speaker Phone Yes Yes Yes Yes
  Nokia Lumia 521 / 520 AT&T Vista TCL 40 XL / Jitterbug Smart 4 BlackBerry Storm2 9550
  X > < X > < X > < X

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

 
Phone Nokia Lumia 521 / 520 AT&T Vista TCL 40 XL / Jitterbug Smart 4 BlackBerry Storm2 9550

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