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Phone	HTC Hero (CDMA)	Siemens C56	Sony Ericsson Z520 / Z525	BlackBerry Storm2 9550	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	?	?	3.3" diag. 4 : 3	?
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	101 x 64 pixels	128 x 160 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	700 mAh	?	1,400 mAh	?
Processor	528 MHz MSM7600	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	Yes	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	?	?	-
Front Camera	-	-	-	-	-
Weight	4.5 oz (128g)	3 oz (85g)	3.46 oz (98g)	5.64 oz (160g)	6.2 oz (176g)
Dimensions	4.46" x 2.22" x 0.54" (113 x 56 x 13.7 mm)	3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	BlackBerry OS	Palm OS
Network Bands	CDMA: 850, 1900	GSM: 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	GPRS	GPRS	EVDO rA	1xRTT
Features
GPS / Location	n/a	Yes	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Infrared (IR)	-	-	Yes	-	Yes
USB	Yes Mini-USB	Yes	Yes	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	-	Yes 802.11 b,g	-
Contacts
Picture ID	n/a	-	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	Yes	Yes	n/a	n/a
Customization
Changeable Body Plates	-	Yes	Yes	-	-
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	Yes
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	-	-	n/a	n/a
MMS	n/a	-	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	-	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	-	Yes	n/a	n/a
Voice Memo	n/a	-	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	-	n/a	n/a
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC Hero (CDMA)	Siemens C56	Sony Ericsson Z520 / Z525	BlackBerry Storm2 9550	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Hero (CDMA)	Siemens C56	Sony Ericsson Z520 / Z525	BlackBerry Storm2 9550	Palm Treo 600 (CDMA)