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Phone	Motorola Quantico V840 / W845	Samsung Galaxy S II, Epic 4G Touch	Pantech Duo C810	Kyocera 3225	ZTE Concord II
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4.5" diag. 5 : 3	2.2" diag. 4 : 3	?	4" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	480 x 800 pixels (~206 ppi) AMOLED	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	? LCD (Grayscale)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	1,170 mAh	1,800 mAh	1,320 mAh	?	1,820 mAh
Processor	?	1.2 GHz Samsung Exynos C210 dual-core	ARM 920t PXA27x	?	1.2 GHz Qualcomm MSM8210
RAM	?	?	?	?	1 GB
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	4 GB
Main Camera	1 megapixel	8 megapixel	1 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	1080p HD	QVGA (320 x 240)	-	720p HD
Front Camera	-	2 megapixel	-	-	-
Weight	4.2 oz (119g)	4.55 oz (129g)	3.88 oz (110g)	4.23 oz (120g)	4.4 oz (125g)
Dimensions	3.84" x 2.08" x 1" (98 x 53 x 25.4 mm)	5.1" x 2.7" x 0.38" (130 x 69 x 9.6 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Standard	(proprietary)	Android
Network Bands	CDMA: 850, 1900 *	4G WiMAX: 41 CDMA: 800, 850, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	WiMAX	HSDPA 1.8	1xRTT	HSPA+ 21
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes	-	-	Yes
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-	Yes Classic Audio
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes Micro-USB	Yes Micro-USB	Yes	-	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes *	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	Yes *	n/a	n/a	-	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
BREW	Yes	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Quantico V840 / W845	Samsung Galaxy S II, Epic 4G Touch	Pantech Duo C810	Kyocera 3225	ZTE Concord II
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Quantico V840 / W845	Samsung Galaxy S II, Epic 4G Touch	Pantech Duo C810	Kyocera 3225	ZTE Concord II