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Phone	BlackBerry Curve 3G 9330	ZTE Blade Vantage	TCL 20 SE	Motorola i410	Nokia Lumia 521 / 520
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.5" diag. 4 : 3	5" diag. 16 : 9	6.8" diag. 20.5 : 9	1.7" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	720 x 1640 pixels (~263 ppi) LCD (TFT/TFD)	128 x 160 pixels (~121 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	1,150 mAh	2,500 mAh	5,000 mAh	950 mAh	1,430 mAh
Processor	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	1.6 GHz Qualcomm Snapdragon 460	?	1 GHz Qualcomm Snapdragon S4 MSM8270
RAM	?	2 GB	4 GB	?	512 MB
Storage	? raw hardware	16 GB	128 GB	? raw hardware	8 GB
Main Camera	2 megapixel	8 megapixel	48 megapixel	-	5 megapixel
Wide Camera	-	-	5 megapixel	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	1080p HD	-	720p HD
Front Camera	-	2 megapixel	13 megapixel	-	-
Weight	3.7 oz (105g)	5.29 oz (150g)	7.31 oz (207g)	4.5 oz (128g)	4.39 oz (124g)
Dimensions	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	6.78" x 3.04" x 0.35" (172 x 77 x 8.9 mm)	3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	Android	Android	(proprietary)	Windows
Network Bands	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	iDEN: 800	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO r0	LTE (Cat 4)	LTE (Cat 4)	-	HSPA+ 21
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	Yes	Yes	-	-
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes *	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
USB	Yes Micro-USB	Yes Micro-USB	Yes USB Type C	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes
Contacts
Picture ID	n/a	n/a	n/a	-	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	-	n/a
Custom Ringtones	n/a	n/a	n/a	-	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	-	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Productivity
Alarm	n/a	n/a	n/a	-	n/a
Calculator	n/a	n/a	n/a	-	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
HD Voice	-	Yes	Yes	-	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry Curve 3G 9330	ZTE Blade Vantage	TCL 20 SE	Motorola i410	Nokia Lumia 521 / 520
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry Curve 3G 9330	ZTE Blade Vantage	TCL 20 SE	Motorola i410	Nokia Lumia 521 / 520