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Phone	Nokia Lumia 521 / 520	LG Premier Pro LTE	Ericsson R520	Coolpad Quattro 4G	BlackBerry Pearl 8110
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	5.3" diag. 16 : 9	?	4" diag. 5 : 3	?
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	?	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 260 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	1,430 mAh	2,880 mAh	?	1,600 mAh	?
Processor	1 GHz Qualcomm Snapdragon S4 MSM8270	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	?	?
RAM	512 MB	2 GB	?	?	?
Storage	8 GB	16 GB	? raw hardware	512 MB	? raw hardware
Main Camera	5 megapixel	8 megapixel	-	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	-	VGA (640 x 480)	?
Front Camera	-	5 megapixel	-	Yes	-
Weight	4.39 oz (124g)	5.93 oz (168g)	4.23 oz (120g)	3.31 oz (94g)	3.2 oz (91g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	5.85" x 2.96" x 0.34" (149 x 75 x 8.6 mm)	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	4.2" x 1.97" x 0.55" (107 x 50 x 14 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	Windows	Android	(proprietary)	Android	BlackBerry OS
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 21	LTE (Cat 4)	GPRS	LTE (Cat 3)	EDGE
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	-	Yes	Yes
Wi-Fi	Yes	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	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	-	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	-	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	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	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	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	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	-	n/a	n/a
Voice
HD Voice	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Nokia Lumia 521 / 520	LG Premier Pro LTE	Ericsson R520	Coolpad Quattro 4G	BlackBerry Pearl 8110
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Nokia Lumia 521 / 520	LG Premier Pro LTE	Ericsson R520	Coolpad Quattro 4G	BlackBerry Pearl 8110