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Specifications
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Phone	LG K20 / Harmony / Grace	LG Tritan AX-840 / UX-840	Samsung Nexus S 4G	Samsung SCH-A310	Palm Treo 600 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.3" diag. 16 : 9	3" diag. 5 : 3	4" diag. 5 : 3	?	?
Display Resolution & Type	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	128 x 128 pixels LCD (Grayscale)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	2,800 mAh	950 mAh	1,500 mAh	?	?
Processor	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	1 GHz Samsung Hummingbird Cortex A8	?	?
RAM	1.5 GB	?	?	?	?
Storage	16 GB	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	8 megapixel	3 megapixel	5 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	QVGA (320 x 240)	WVGA / 480p	-	-
Front Camera	5 megapixel	-	Yes	-	-
Weight	5 oz (142g)	5.03 oz (143g)	4.62 oz (131g)	3.2 oz (91g)	5.92 oz (168g)
Dimensions	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Slide	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	Android	(proprietary)	Palm OS
Network Bands	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 4)	EVDO r0	WiMAX	1xRTT	GPRS
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	Yes	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	-	Yes
Alerts
Extra Display	-	-	-	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 Micro-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	-	n/a
Voice Dialing	n/a	Yes	n/a	Yes	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	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	-	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	Yes Capacitive	Yes	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	Yes	n/a	-	n/a
MMS	n/a	Yes	n/a	-	n/a
Text Messaging Templates	n/a	Yes	n/a	-	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	Yes	n/a	-	n/a
Productivity
Alarm	n/a	Yes	n/a	-	n/a
Calculator	n/a	Yes	n/a	-	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	-	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
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	LG K20 / Harmony / Grace	LG Tritan AX-840 / UX-840	Samsung Nexus S 4G	Samsung SCH-A310	Palm Treo 600 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	LG K20 / Harmony / Grace	LG Tritan AX-840 / UX-840	Samsung Nexus S 4G	Samsung SCH-A310	Palm Treo 600 (GSM)