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Phone	Nokia Lumia 810	Motorola Backflip	BlackBerry Storm2 9550	Samsung SGH-A157	Sony Ericsson K750 / W800 / D750 / W700
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	3.1" diag. 5 : 3	3.3" diag. 4 : 3	1.8" diag. 4 : 3	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,800 mAh	1,400 mAh	1,400 mAh	800 mAh	900 mAh
Processor	1.5 GHz Qualcomm Snapdragon	528 MHz Qualcomm MSM7201a	?	?	?
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	256 MB	? raw hardware
Main Camera	8 megapixel	5 megapixel	3 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	CIF (352 x 288)	?	-	?
Front Camera	1 megapixel	-	-	-	-
Weight	5.11 oz (145g)	4.7 oz (133g)	5.64 oz (160g)	2.99 oz (85g)	3.49 oz (99g)
Dimensions	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Windows	Android	BlackBerry OS	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900
Data Technology	HSPA+ 42	HSPA 7.2	EVDO rA	?	GPRS
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	n/a	Yes	-
Accessibility
Adjustable Text Size	n/a	n/a	n/a	Yes	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4 (very compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	Yes
Ringer ID	n/a	n/a	n/a	Yes	Yes
Voice Dialing	n/a	n/a	n/a	-	Yes
Customization
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	Yes	-
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	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	Yes
EMS / Picture Messaging	n/a	n/a	n/a	-	Yes
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	Yes	Yes
Text Messaging Templates	n/a	n/a	n/a	Yes	Yes
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	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	Yes
To-Do List	n/a	n/a	n/a	Yes	Yes
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
Games	n/a	n/a	n/a	-	Yes
Java (J2ME)	n/a	n/a	n/a	-	Yes
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Nokia Lumia 810	Motorola Backflip	BlackBerry Storm2 9550	Samsung SGH-A157	Sony Ericsson K750 / W800 / D750 / W700
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 810	Motorola Backflip	BlackBerry Storm2 9550	Samsung SGH-A157	Sony Ericsson K750 / W800 / D750 / W700