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Phone	Nokia Lumia 521 / 520	BlackBerry 7230 / 7210	BlackBerry Tour 9630
Current U.S. Carriers	(none)	(none)	(none)
Global Availability	Released	Released	Released
Display Size	4" diag. 5 : 3	?	2.4" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 160 pixels LCD (Color)	480 x 360 pixels (~250 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?
Battery	1,430 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	-	3 megapixel
Wide Camera	-	-	-
Tele Camera	-	-	-
Video Capture	720p HD	-	?
Front Camera	-	-	-
Weight	4.39 oz (124g)	4.9 oz (139g)	4.59 oz (130g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.4" x 2.9" x 0.94" (112 x 74 x 23.9 mm)	4.41" x 2.44" x 0.56" (112 x 62 x 14.2 mm)
Platform / OS	Windows	BlackBerry OS	BlackBerry OS
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900 *	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 21	GPRS	EVDO rA
Features
Accessibility
Hearing Aid Compatible	Yes	Yes	Yes
TTY/TDD (Digital)	Yes	-	Yes *
Alerts
Ringer Profiles	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes Classic Audio
USB	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes	-	-
Input
Side Keys	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes
Touch Screen	Yes	-	-
Memory
Memory Card Slot	Yes	-	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes
Voice
Push-To-Talk	-	-	Yes *
Speaker Phone	Yes	-	Yes
	* Some versions only
	Nokia Lumia 521 / 520	BlackBerry 7230 / 7210	BlackBerry Tour 9630
	X >	< X >	< X

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


Phone	Nokia Lumia 521 / 520	BlackBerry 7230 / 7210	BlackBerry Tour 9630