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Phone	Samsung Galaxy Attain 4G	Nokia Lumia 521 / 520	LG Extravert 2 / Freedom II	Coolpad Defiant	Samsung SCH-i830 / IP-830w
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	4" diag. 5 : 3	3.2" diag. 5 : 3	5" diag. 16 : 9	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 400 pixels (~146 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,650 mAh	1,430 mAh	1,000 mAh	2,450 mAh	?
Processor	?	1 GHz Qualcomm Snapdragon S4 MSM8270	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	520 MHz Intel Bulverde
RAM	512 MB	512 MB	?	1 GB	?
Storage	? raw hardware	8 GB	512 MB	8 GB	? raw hardware
Main Camera	3 megapixel	5 megapixel	2 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	720p HD	QVGA (320 x 240)	720p HD	-
Front Camera	1 megapixel	-	-	2 megapixel	-
Weight	4.2 oz (119g)	4.39 oz (124g)	4.15 oz (118g)	6.5 oz (184g)	6.44 oz (183g)
Dimensions	4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.4" x 2.15" x 0.64" (112 x 55 x 16.3 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	4.49" x 2.28" x 0.97" (114 x 58 x 24.6 mm)
Form Factor	Slab	Slab	Slide	Slab	Slide
Platform / OS	Android	Windows	(proprietary)	Android	Windows Mobile Professional
Network Bands	4G LTE: 2, 4 CDMA: 850, 1700, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 GSM: 900, 1800
Data Technology	LTE (Cat 3)	HSPA+ 21	1xRTT	LTE (Cat 4)	EVDO r0
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	Yes	n/a	n/a
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very 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	Yes	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes	Yes	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	-	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	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	-	Yes
Touch Screen	Yes Capacitive	Yes Capacitive	Yes	Yes Capacitive	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	Yes	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
DLNA	Yes	-	-	-	-
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
BREW	n/a	n/a	Yes	n/a	n/a
Games	n/a	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Galaxy Attain 4G	Nokia Lumia 521 / 520	LG Extravert 2 / Freedom II	Coolpad Defiant	Samsung SCH-i830 / IP-830w
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy Attain 4G	Nokia Lumia 521 / 520	LG Extravert 2 / Freedom II	Coolpad Defiant	Samsung SCH-i830 / IP-830w