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Phone	LG K4 / Optimus Zone 3 / Rebel	Ericsson R520	ZTE Solar	LG VX-8000	TCL 20 SE
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	4.5" diag. 16 : 9	?	6.8" diag. 20.5 : 9
Display Resolution & Type	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	?	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	720 x 1640 pixels (~263 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	60 Hz
Battery	1,940 mAh	?	2,070 mAh	1,100 mAh	5,000 mAh
Processor	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	1.2 GHz Qualcomm Snapdragon 200 MSM8625	?	1.6 GHz Qualcomm Snapdragon 460
RAM	1.5 GB	?	768 MB	?	4 GB
Storage	16 GB *	? raw hardware	4 GB	? raw hardware	128 GB
Main Camera	5 megapixel	-	5 megapixel	1 megapixel	48 megapixel
Wide Camera	-	-	-	-	5 megapixel
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	WVGA / 480p	QCIF (176 x 144)	1080p HD
Front Camera	2 megapixel	-	-	-	13 megapixel
Weight	3.99 oz (113g)	4.23 oz (120g)	5.54 oz (157g)	3.88 oz (110g)	7.31 oz (207g)
Dimensions	5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm)	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	5.24" x 2.6" x 0.39" (133 x 66 x 9.9 mm)	3.76" x 1.97" x 0.93" (96 x 50 x 23.6 mm)	6.78" x 3.04" x 0.35" (172 x 77 x 8.9 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	Android	(proprietary)	Android
Network Bands	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	GPRS	HSPA 7.2	EVDO r0	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	Yes	-	-	-	Yes
GPS / Location	n/a	-	n/a	Yes	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)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Micro-USB	-	Yes Micro-USB	Yes	Yes USB Type C
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	-	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	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
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	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	Yes	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	-	n/a	-	n/a
Photo & Video
Miracast	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
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	-	n/a	Yes	n/a
Games	n/a	Yes	n/a	Yes	n/a
Voice
HD Voice	Yes *	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	LG K4 / Optimus Zone 3 / Rebel	Ericsson R520	ZTE Solar	LG VX-8000	TCL 20 SE
	X >	< X >	< X >	< X >	< X

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


Phone	LG K4 / Optimus Zone 3 / Rebel	Ericsson R520	ZTE Solar	LG VX-8000	TCL 20 SE