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Phone	Samsung Knack U310	Samsung SPH/SCH-N300	Nokia E66	BlackBerry Storm2 9550	Samsung Sidekick 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	2.4" diag. 4 : 3	3.3" diag. 4 : 3	3.5" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	128 x 64 pixels	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	?	1,000 mAh	1,400 mAh	?
Processor	?	?	?	?	1 GHz Samsung Hummingbird Cortex A8
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	-	3 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	QVGA (320 x 240)	?	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	3.63 oz (103g)	4.1 oz (116g)	4.27 oz (121g)	5.64 oz (160g)	5.7 oz (162g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)
Form Factor	Clamshell	Flip	Slide	Slab	Slide
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	BlackBerry OS	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	-	-	HSDPA 3.6	EVDO rA	HSPA+ 21
Features
GPS / Location	Yes	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	-	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	-	n/a	n/a	n/a
Ringer ID	-	-	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	-	-	n/a	n/a	n/a
Custom Ringtones	-	-	n/a	n/a	n/a
Real-Music Ringers	-	-	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	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	-	-	n/a	n/a	n/a
Text Messaging Templates	-	-	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	-	-	n/a	n/a	n/a
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	-	-	n/a	n/a	n/a
Software
Games	-	Yes	n/a	n/a	n/a
Java (J2ME)	-	-	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Samsung Knack U310	Samsung SPH/SCH-N300	Nokia E66	BlackBerry Storm2 9550	Samsung Sidekick 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Samsung SPH/SCH-N300	Nokia E66	BlackBerry Storm2 9550	Samsung Sidekick 4G