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	X >	< X >	< X

Phone	ZTE Flash	BlackBerry 7750	Nokia Lumia 521 / 520
Current U.S. Carriers	(none)	(none)	(none)
Global Availability	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	4" diag. 5 : 3
Display Resolution & Type	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?
Battery	1,780 mAh	?	1,430 mAh
Processor	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	?	1 GHz Qualcomm Snapdragon S4 MSM8270
RAM	1 GB	?	512 MB
Storage	8 GB	? raw hardware	8 GB
Main Camera	12 megapixel	-	5 megapixel
Wide Camera	-	-	-
Tele Camera	-	-	-
Video Capture	1080p HD	-	720p HD
Front Camera	1 megapixel	-	-
Weight	5.2 oz (147g)	5.01 oz (142g)	4.39 oz (124g)
Dimensions	5.27" x 2.56" x 0.38" (134 x 65 x 9.7 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)
Platform / OS	Android	BlackBerry OS	Windows
Network Bands	4G LTE: 25 CDMA: 800, 850, 1900	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	LTE (Cat 3)	1xRTT	HSPA+ 21
Features
Accessibility
Hearing Aid Compatible	Yes	-	Yes
TTY/TDD (Digital)	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes
NFC	Yes	-	-
USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes
Input
Side Keys	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-
Touch Screen	Yes	-	Yes
Memory
Memory Card Slot	Yes	-	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes
Voice
HD Voice	Yes	-	-
Speaker Phone	Yes	-	Yes
	ZTE Flash	BlackBerry 7750	Nokia Lumia 521 / 520
	X >	< X >	< X

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


Phone	ZTE Flash	BlackBerry 7750	Nokia Lumia 521 / 520