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Phone	Audiovox CDM-8500	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Motorola T730 / T731c	BlackBerry Storm2 9550	HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	3.3" diag. 4 : 3	4" diag. 16 : 9
Display Resolution & Type	?	240 x 320 pixels LCD (TFT/TFD)	120 x 160 pixels LCD (STN)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,490 mAh	750 mAh	1,400 mAh	1,520 mAh
Processor	?	400 MHz Intel XScale	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	?	?	768 MB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	-	Yes	-	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	-	?	720p HD
Front Camera	-	-	-	-	1 megapixel
Weight	3.2 oz (91g)	7.41 oz (210g)	4.06 oz (115g)	5.64 oz (160g)	5.22 oz (148g)
Dimensions	3.3" x 1.6" x 0.9" (84 x 41 x 22.9 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	3.54" x 1.87" x 0.91" (90 x 47 x 23.1 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)
Form Factor	Clamshell	Slide	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Windows Mobile Professional	(proprietary)	BlackBerry OS	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *
Data Technology	1xRTT	GPRS	1xRTT	EVDO rA	WiMAX
Features
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	n/a	-	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	-	n/a	Yes	n/a	n/a
Custom Ringtones	-	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	Yes	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	Yes	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	-	n/a	-	n/a	n/a
Text Messaging Templates	-	n/a	Yes	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
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	Yes *	n/a	Yes *	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Audiovox CDM-8500	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Motorola T730 / T731c	BlackBerry Storm2 9550	HTC EVO Design 4G / Hero S (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Audiovox CDM-8500	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Motorola T730 / T731c	BlackBerry Storm2 9550	HTC EVO Design 4G / Hero S (CDMA)