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Phone	BlackBerry 7750	Nokia Lumia 810	Samsung Galaxy S II, Epic 4G Touch	Motorola V65p	Siemens A56 / A56i
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	4.5" diag. 5 : 3	?	?
Display Resolution & Type	240 x 240 pixels LCD (Color)	480 x 800 pixels (~217 ppi) AMOLED	480 x 800 pixels (~206 ppi) AMOLED	128 x 128 pixels LCD (STN)	101 x 64 pixels
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,800 mAh	1,800 mAh	950 mAh	700 mAh
Processor	?	1.5 GHz Qualcomm Snapdragon	1.2 GHz Samsung Exynos C210 dual-core	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	16 GB	? raw hardware	? raw hardware
Main Camera	-	8 megapixel	8 megapixel	-	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	1080p HD	-	-
Front Camera	-	1 megapixel	2 megapixel	-	-
Weight	5.01 oz (142g)	5.11 oz (145g)	4.55 oz (129g)	4.87 oz (138g)	3 oz (85g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	5.1" x 2.7" x 0.38" (130 x 69 x 9.6 mm)	3.43" x 1.77" x 1.26" (87 x 45 x 32 mm)	4" x 1.7" x 0.8" (102 x 43 x 20.3 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	Windows	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 800, 850, 1900 *	CDMA: 850, 1900 AMPS: 850	GSM: 850, 1900
Data Technology	1xRTT	HSPA+ 42	WiMAX	1xRTT	-
Features
GPS / Location	n/a	n/a	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	-
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	n/a	n/a	Yes	-
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	-	-
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes	-
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	-	Yes
Ringer ID	n/a	n/a	n/a	Yes	Yes
Voice Dialing	n/a	n/a	n/a	Yes	-
Customization
Changeable Body Plates	-	-	-	Yes	Yes
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	-	-
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	-
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	-
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	-
EMS / Picture Messaging	n/a	n/a	n/a	Yes	Yes
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	-	-
Text Messaging Templates	n/a	n/a	n/a	Yes	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Power
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	-
To-Do List	n/a	n/a	n/a	-	-
Voice Memo	n/a	n/a	n/a	-	-
Software
BREW	n/a	n/a	n/a	Yes	-
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	-	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	-
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	-	Yes	Yes	Yes	-
	BlackBerry 7750	Nokia Lumia 810	Samsung Galaxy S II, Epic 4G Touch	Motorola V65p	Siemens A56 / A56i
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Nokia Lumia 810	Samsung Galaxy S II, Epic 4G Touch	Motorola V65p	Siemens A56 / A56i