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Phone	Samsung Knack U310	Siemens CT66 / C66 / C65 / C71 / C70	BlackBerry Storm2 9550	Nokia N-Gage QD	Motorola Droid 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	3.3" diag. 4 : 3	?	3.7" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (Color)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	176 x 208 pixels LCD (Color)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	600 mAh	1,400 mAh	1,070 mAh	1,390 mAh
Processor	?	?	?	?	1 GHz TI OMAP3620
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	-	Yes	3 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	-	WVGA / 480p
Front Camera	-	-	-	-	-
Weight	3.63 oz (103g)	3 oz (85g)	5.64 oz (160g)	5.04 oz (143g)	5.96 oz (169g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.65" x 2.68" x 0.87" (118 x 68 x 22.1 mm)	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	S60 (Symbian)	Android
Network Bands	CDMA: 850, 1900	GSM: 850, 1800, 1900 *	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 1900 *	CDMA: 850, 1900
Data Technology	-	GPRS	EVDO rA	GPRS	EVDO rA
Features
GPS / Location	Yes	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	Yes	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes	Yes	-	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	-	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	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	-	Yes	n/a	n/a	n/a
Custom Ringtones	-	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	-	-	n/a	n/a	n/a
WAP / Web Browser	-	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	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
EMS / Picture Messaging	Yes	Yes	n/a	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	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	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	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Knack U310	Siemens CT66 / C66 / C65 / C71 / C70	BlackBerry Storm2 9550	Nokia N-Gage QD	Motorola Droid 2
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Siemens CT66 / C66 / C65 / C71 / C70	BlackBerry Storm2 9550	Nokia N-Gage QD	Motorola Droid 2