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Phone	LG AX-4270 / VX-4270	Nokia Lumia 810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SCH-A990	Motorola Droid
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	?	?	3.7" diag. 16 : 9
Display Resolution & Type	128 x 128 pixels LCD (STN)	480 x 800 pixels (~217 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,800 mAh	1,490 mAh	1,000 mAh	1,400 mAh
Processor	?	1.5 GHz Qualcomm Snapdragon	400 MHz Intel XScale	?	550 MHz TI OMAP 3430 (ARM Cortex A8)
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	8 megapixel	Yes	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	QCIF (176 x 144)	?	WVGA / 480p
Front Camera	-	1 megapixel	-	-	-
Weight	3.21 oz (91g)	5.11 oz (145g)	7.41 oz (210g)	4.4 oz (125g)	5.99 oz (170g)
Dimensions	3.27" x 1.76" x 0.91" (83 x 45 x 23.1 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)
Form Factor	Clamshell	Slab	Slide	Clamshell	Slab
Platform / OS	(proprietary)	Windows	Windows Mobile Professional	(proprietary)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	HSPA+ 42	GPRS	EVDO r0	EVDO rA
Features
Flashlight	-	-	-	Yes	-
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
External Antenna Jack	-	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
TV Output	-	-	-	Yes	-
Power
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	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
	LG AX-4270 / VX-4270	Nokia Lumia 810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SCH-A990	Motorola Droid
	X >	< X >	< X >	< X >	< X

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


Phone	LG AX-4270 / VX-4270	Nokia Lumia 810	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SCH-A990	Motorola Droid