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Specifications
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Phone	Nokia Lumia 521 / 520	Motorola Q	BlackBerry Storm2 9550
Current U.S. Carriers	(none)	(none)	(none)
Global Availability	Released	Released	Released
Display Size	4" diag. 5 : 3	?	3.3" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?
Battery	1,430 mAh	1,130 mAh	1,400 mAh
Processor	1 GHz Qualcomm Snapdragon S4 MSM8270	?	?
RAM	512 MB	?	?
Storage	8 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	3 megapixel
Wide Camera	-	-	-
Tele Camera	-	-	-
Video Capture	720p HD	?	?
Front Camera	-	-	-
Weight	4.39 oz (124g)	4.06 oz (115g)	5.64 oz (160g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.57" x 2.52" x 0.47" (116 x 64 x 11.9 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)
Platform / OS	Windows	Windows Mobile Standard	BlackBerry OS
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 21	EVDO r0	EVDO rA
Features
Accessibility
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
TTY/TDD (Digital)	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes
Infrared (IR)	-	Yes	-
USB	Yes	Yes Mini-USB	Yes
Wi-Fi	Yes	-	Yes 802.11 b,g
Input
Side Keys	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes
Voice
Speaker Phone	Yes	Yes	Yes
	Nokia Lumia 521 / 520	Motorola Q	BlackBerry Storm2 9550
	X >	< X >	< X

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


Phone	Nokia Lumia 521 / 520	Motorola Q	BlackBerry Storm2 9550