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Phone	Apple iPhone 4 (GSM)	Pantech Duo C810	Motorola V710	Nokia E66	Sharp Sidekick LX 2009
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	2.2" diag. 4 : 3	?	2.4" diag. 4 : 3	3.2" diag. 16 : 9
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	854 x 480 pixels (~306 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	?	1,320 mAh	?	1,000 mAh	1,250 mAh
Processor	Apple A4	ARM 920t PXA27x	?	?	?
RAM	?	?	?	?	?
Storage	32 GB *	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	1 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QVGA (320 x 240)	?	QVGA (320 x 240)	QVGA (320 x 240)
Front Camera	Yes	-	-	-	-
Weight	4.8 oz (136g)	3.88 oz (110g)	4.06 oz (115g)	4.27 oz (121g)	5.78 oz (164g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	5.12" x 2.36" x 0.63" (130 x 60 x 16 mm)
Form Factor	Slab	Slide	Clamshell	Slide	Swivel
Platform / OS	iOS	Windows Mobile Standard	(proprietary)	S60 (Symbian)	(proprietary)
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	HSDPA 1.8	1xRTT	HSDPA 3.6	HSPA 7.2
Features
GPS / Location	n/a	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	Yes
Hearing Aid Compatible	Yes	-	Yes	-	Yes
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	-
USB	Yes	Yes	Yes *	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	Yes
Voice Dialing	n/a	n/a	Yes	n/a	-
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	-
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	Yes	-	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes *	n/a	Yes
EMS / Picture Messaging	n/a	n/a	Yes	n/a	-
Instant Messaging	n/a	n/a	-	n/a	Yes
MMS	n/a	n/a	Yes	n/a	Yes
Text Messaging Templates	n/a	n/a	Yes	n/a	Yes
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	Yes	n/a	Yes
Photo & Video
TV Output	Yes	-	-	-	-
Video Calling	n/a	n/a	-	n/a	-
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	Yes	n/a	-
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	-	n/a	Yes
Voice Memo	n/a	n/a	Yes	n/a	-
Software
BREW	n/a	n/a	Yes	n/a	-
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	-	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Pantech Duo C810	Motorola V710	Nokia E66	Sharp Sidekick LX 2009
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Pantech Duo C810	Motorola V710	Nokia E66	Sharp Sidekick LX 2009