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Phone	LG K20 / Harmony / Grace	Kyocera Oystr KX9d / KX9e	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SPH-A660 / VI660	HTC Amaze 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.3" diag. 16 : 9	?	?	?	4.3" diag. 16 : 9
Display Resolution & Type	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	2,800 mAh	870 mAh	1,490 mAh	?	1,730 mAh
Processor	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	400 MHz Intel XScale	?	1.5 GHz Qualcomm Snapdragon S3 dual-core
RAM	1.5 GB	?	?	?	1 GB
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	8 megapixel	-	Yes	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	QCIF (176 x 144)	-	1080p HD
Front Camera	5 megapixel	-	-	-	2 megapixel
Weight	5 oz (142g)	3.5 oz (99g)	7.41 oz (210g)	3.54 oz (100g)	6.1 oz (173g)
Dimensions	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	3.46" x 1.88" x 0.98" (88 x 48 x 24.9 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)
Form Factor	Slab	Clamshell	Slide	Clamshell	Slab
Platform / OS	Android	(proprietary)	Windows Mobile Professional	(proprietary)	Android
Network Bands	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 1900 *	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 4)	1xRTT	GPRS	1xRTT	HSPA+ 42
Features
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
NFC	Yes *	-	-	-	Yes
USB	Yes Micro-USB	Yes	Yes	-	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	Yes *	n/a	-	n/a
Data & Network
Data Tethering	n/a	-	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes *	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	Yes	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	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	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	n/a	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	Yes	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	Yes *	n/a	-	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes *	n/a	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	LG K20 / Harmony / Grace	Kyocera Oystr KX9d / KX9e	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SPH-A660 / VI660	HTC Amaze 4G
	X >	< X >	< X >	< X >	< X

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


Phone	LG K20 / Harmony / Grace	Kyocera Oystr KX9d / KX9e	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Samsung SPH-A660 / VI660	HTC Amaze 4G