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Phone BlackBerry Z10 (CDMA) Nokia Lumia 521 / 520 ZTE Concord II Nokia 3250
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.2" diag.
5 : 3
4" diag.
5 : 3
4" diag.
5 : 3
?
Display Resolution & Type 768 x 1280 pixels
(~355 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
176 x 208 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ?
Battery 1,800 mAh 1,430 mAh 1,820 mAh 1,100 mAh
Processor 1.5 GHz Qualcomm Snapdragon S4 1 GHz Qualcomm Snapdragon S4 MSM8270 1.2 GHz Qualcomm MSM8210 ?
RAM 2 GB 512 MB 1 GB ?
Storage 16 GB 8 GB 4 GB ? raw hardware
Main Camera 8 megapixel 5 megapixel 5 megapixel 2 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD 720p HD 720p HD QCIF (176 x 144)
Front Camera 2 megapixel - - -
Weight 4.78 oz
(135g)
4.39 oz
(124g)
4.4 oz
(125g)
4.06 oz
(115g)
Dimensions 5.12" x 2.58" x 0.35"
(130 x 66 x 9 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
4.96" x 2.56" x 0.42"
(126 x 65 x 10.7 mm)
4.06" x 1.97" x 0.75"
(103 x 50 x 19.1 mm)
Platform / OS BlackBerry 10 Windows Android S60 (Symbian)
Network Bands

4G LTE: 13

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 3) HSPA+ 21 HSPA+ 21 EDGE
Features 
Accessibility
Hearing Aid Compatible - Yes Yes -
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes
NFC Yes - - -
USB Yes
Micro-USB
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 a,b,g,n)
Yes Yes
4 (802.11 b,g,n)
-
Input
Side Keys Yes Yes Yes -
Touch Screen Yes Yes Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) Yes Yes Yes -
Photo & Video
DLNA Yes - - -
TV Output Yes - - -
Voice
HD Voice - - Yes -
Push-To-Talk - - - Yes *
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  BlackBerry Z10 (CDMA) Nokia Lumia 521 / 520 ZTE Concord II Nokia 3250
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Z10 (CDMA) Nokia Lumia 521 / 520 ZTE Concord II Nokia 3250

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