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Phone	HTC Shadow	Sanyo MM-8300	Coolpad Quattro 4G	Samsung VI-A820	Nokia Lumia 521 / 520
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.6" diag. 4 : 3	?	4" diag. 5 : 3	?	4" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	920 mAh	1,000 mAh	1,600 mAh	1,000 mAh	1,430 mAh
Processor	200 MHz OMAP 850	?	?	?	1 GHz Qualcomm Snapdragon S4 MSM8270
RAM	?	?	?	?	512 MB
Storage	? raw hardware	? raw hardware	512 MB	? raw hardware	8 GB
Main Camera	2 megapixel	Yes	3 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	QCIF (176 x 144)	VGA (640 x 480)	-	720p HD
Front Camera	-	-	Yes	-	-
Weight	5.29 oz (150g)	3.6 oz (102g)	3.31 oz (94g)	3.14 oz (89g)	4.39 oz (124g)
Dimensions	4.06" x 2.09" x 0.59" (103 x 53 x 15 mm)	3.35" x 1.85" x 0.97" (85 x 47 x 24.6 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.56" x 1.88" x 1.06" (90 x 48 x 26.9 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)
Form Factor	Slide	Clamshell	Slab	Clamshell	Slab
Platform / OS	Windows Mobile Standard	(proprietary)	Android	(proprietary)	Windows
Network Bands	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EDGE	1xRTT	LTE (Cat 3)	1xRTT	HSPA+ 21
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	-	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Mini-USB	Yes	Yes	-	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes	-	Yes
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	-	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	-	n/a
Text Messaging Templates	n/a	-	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	-	n/a	-	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	Yes	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	Yes	n/a
Voice
Call Screening	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Push-To-Talk	-	Yes	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	HTC Shadow	Sanyo MM-8300	Coolpad Quattro 4G	Samsung VI-A820	Nokia Lumia 521 / 520
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	HTC Shadow	Sanyo MM-8300	Coolpad Quattro 4G	Samsung VI-A820	Nokia Lumia 521 / 520