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Phone	Motorola Backflip	Sony Ericsson Z520 / Z525	Samsung Omnia i910	Palm Treo 650 (CDMA)	HTC Touch Pro2 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	?	3.2" diag. 5 : 3	?	3.6" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 400 pixels (~146 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,400 mAh	?	1,440 mAh	?	1,500 mAh
Processor	528 MHz Qualcomm MSM7201a	?	624 MHz Marvell PXA312	312 MHz Intel XScale PXA270	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	5 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	?	VGA (640 x 480)	QVGA (320 x 240)	?
Front Camera	-	-	-	-	-
Weight	4.7 oz (133g)	3.46 oz (98g)	4.16 oz (118g)	6.3 oz (179g)	6.35 oz (180g)
Dimensions	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	4.4" x 2.24" x 0.51" (112 x 57 x 13 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Windows Mobile Professional	Palm OS	Windows Mobile Professional
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	GPRS	EVDO rA	1xRTT	EVDO rA
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	-	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M4 (very compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	Yes	-
USB	Yes Micro-USB	Yes	Yes	-	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 802.11 b,g	-	Yes
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	Yes Capacitive	-	Yes	Yes	Yes Resistive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	n/a	n/a	n/a
EMS / Picture Messaging	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	Yes
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Backflip	Sony Ericsson Z520 / Z525	Samsung Omnia i910	Palm Treo 650 (CDMA)	HTC Touch Pro2 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Backflip	Sony Ericsson Z520 / Z525	Samsung Omnia i910	Palm Treo 650 (CDMA)	HTC Touch Pro2 (CDMA)