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Specifications
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Phone	Sony Ericsson K850	ZTE Speed	Motorola W260g	Motorola Defy (2010)	Nokia Lumia 900
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. 16 : 9	1.6" diag. 1 : 1	3.6" diag. 16 : 9	4.3" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	128 x 128 pixels (~113 ppi) LCD (STN)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	2,000 mAh	940 mAh	1,540 mAh	1,830 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	800 MHz TI OMAP3610	1.4 GHz Qualcomm S2 APQ8055
RAM	?	1 GB	?	?	512 MB
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	16 GB
Main Camera	5 megapixel	5 megapixel	-	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	?	720p HD
Front Camera	-	2 megapixel	-	-	1 megapixel
Weight	4.2 oz (119g)	4.8 oz (136g)	3.17 oz (90g)	4.16 oz (118g)	5.6 oz (159g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	3.74" x 1.77" x 0.67" (95 x 45 x 17 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Android	Windows
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	GSM: 850, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 3.6	LTE (Cat 3)	-	HSPA 7.2	LTE (Cat 3)
Features
GPS / Location	-	n/a	-	n/a	n/a
Ruggedized	-	-	-	Yes	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	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
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes
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	n/a
Customization
Custom Graphics	Yes	n/a	-	n/a	n/a
Custom Ringtones	Yes	n/a	-	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	-	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	Yes	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	-	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	Yes	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	Yes	n/a	-	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Video Calling	Yes *	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	-	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Sony Ericsson K850	ZTE Speed	Motorola W260g	Motorola Defy (2010)	Nokia Lumia 900
	X >	< X >	< X >	< X >	< X

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


Phone	Sony Ericsson K850	ZTE Speed	Motorola W260g	Motorola Defy (2010)	Nokia Lumia 900