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Phone	HTC EVO Design 4G / Hero S (CDMA)	Motorola Backflip	Samsung Galaxy S II / SGH-i777	Kyocera Oystr KX9d / KX9e	Sony Ericsson P910
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 16 : 9	3.1" diag. 5 : 3	4.3" diag. 5 : 3	?	?
Display Resolution & Type	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	128 x 128 pixels LCD (STN)	208 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	60 Hz	?	?
Battery	1,520 mAh	1,400 mAh	1,650 mAh	870 mAh	?
Processor	1.2 GHz Qualcomm Snapdragon S2 MSM8655	528 MHz Qualcomm MSM7201a	1.2 GHz Samsung Exynos dual-core	?	?
RAM	768 MB	?	?	?	?
Storage	4 GB	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	5 megapixel	8 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	CIF (352 x 288)	1080p HD	-	QCIF (176 x 144)
Front Camera	1 megapixel	-	2 megapixel	-	-
Weight	5.22 oz (148g)	4.7 oz (133g)	4.3 oz (122g)	3.5 oz (99g)	5.47 oz (155g)
Dimensions	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	3.46" x 1.88" x 0.98" (88 x 48 x 24.9 mm)	4.53" x 2.28" x 1.02" (115 x 58 x 25.9 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Flip
Platform / OS	Android	Android	Android	(proprietary)	UIQ (Symbian)
Network Bands	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 1900 *	GSM: 850, 1800, 1900 *
Data Technology	WiMAX	HSPA 7.2	HSPA+ 21	1xRTT	GPRS
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M4 (very compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes *	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes *	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	Yes Capacitive	Yes Capacitive	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	-	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	n/a
Photo & Video
DLNA	Yes	-	Yes	-	-
TV Output	-	-	Yes	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
BREW	n/a	n/a	n/a	Yes *	n/a
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes *	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC EVO Design 4G / Hero S (CDMA)	Motorola Backflip	Samsung Galaxy S II / SGH-i777	Kyocera Oystr KX9d / KX9e	Sony Ericsson P910
	X >	< X >	< X >	< X >	< X

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


Phone	HTC EVO Design 4G / Hero S (CDMA)	Motorola Backflip	Samsung Galaxy S II / SGH-i777	Kyocera Oystr KX9d / KX9e	Sony Ericsson P910