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Phone	Motorola V551 / V330 / V547 / V555 / V557	Huawei Prism II	Sony Ericsson K850	Motorola Droid 2	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
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	3.7" diag. 16 : 9	?
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 854 pixels (~265 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	820 mAh	1,750 mAh	?	1,390 mAh	1,490 mAh
Processor	?	1 GHz Qualcomm Snapdragon S1 MSM7225A	?	1 GHz TI OMAP3620	400 MHz Intel XScale
RAM	?	512 MB	?	?	?
Storage	? raw hardware	4 GB	? raw hardware	8 GB	? raw hardware
Main Camera	Yes	3 megapixel	5 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	WVGA / 480p	?	WVGA / 480p	QCIF (176 x 144)
Front Camera	-	-	-	-	-
Weight	4.23 oz (120g)	3.88 oz (110g)	4.2 oz (119g)	5.96 oz (169g)	7.41 oz (210g)
Dimensions	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	4.61" x 2.44" x 0.49" (117 x 62 x 12.4 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.58" x 2.38" x 0.54" (116 x 61 x 13.7 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Slide
Platform / OS	(proprietary)	Android	(proprietary)	Android	Windows Mobile Professional
Network Bands	GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900
Data Technology	EDGE	HSPA 7.2	HSDPA 3.6	EVDO rA	GPRS
Features
GPS / Location	-	n/a	-	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, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	Yes	n/a	Yes	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
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	Yes	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	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	Yes	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	Yes	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Video Calling	-	n/a	Yes *	n/a	n/a
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	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola V551 / V330 / V547 / V555 / V557	Huawei Prism II	Sony Ericsson K850	Motorola Droid 2	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola V551 / V330 / V547 / V555 / V557	Huawei Prism II	Sony Ericsson K850	Motorola Droid 2	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)