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Phone	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Nexus S 4G	BlackBerry Curve 9370	Nokia Lumia 810	Nokia 6230
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	2.4" diag. 4 : 3	4.3" diag. 5 : 3	?
Display Resolution & Type	130 x 130 pixels LCD (Color)	480 x 800 pixels (~233 ppi) AMOLED	480 x 360 pixels (~246 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	128 x 128 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	600 mAh	1,500 mAh	1,000 mAh	1,800 mAh	850 mAh
Processor	?	1 GHz Samsung Hummingbird Cortex A8	800 MHz Marvell	1.5 GHz Qualcomm Snapdragon	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	16 GB	1 GB	8 GB	? raw hardware
Main Camera	Yes	5 megapixel	5 megapixel	8 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	VGA (640 x 480)	1080p HD	?
Front Camera	-	Yes	-	1 megapixel	-
Weight	3 oz (85g)	4.62 oz (131g)	3.49 oz (99g)	5.11 oz (145g)	3.39 oz (96g)
Dimensions	4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.06" x 1.73" x 0.79" (103 x 44 x 20.1 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	BlackBerry OS	Windows	(proprietary)
Network Bands	GSM: 850, 1800, 1900 *	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *
Data Technology	GPRS	WiMAX	EVDO rA	HSPA+ 42	EDGE
Features
GPS / Location	-	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M3 (mostly compatible)	Yes M3, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	-	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	Yes	Yes	Yes	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	-
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Changeable Body Plates	Yes	-	-	-	Yes
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	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	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes	n/a	n/a	n/a	Yes
Voice
Call Screening	Yes	-	-	-	-
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Nexus S 4G	BlackBerry Curve 9370	Nokia Lumia 810	Nokia 6230
	X >	< X >	< X >	< X >	< X

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


Phone	Siemens CT66 / C66 / C65 / C71 / C70	Samsung Nexus S 4G	BlackBerry Curve 9370	Nokia Lumia 810	Nokia 6230