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Phone	Samsung Array / Montage	ZTE Groove	Samsung M400	Ericsson T66	LG Stylo 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	3.2" diag. 5 : 3	2.4" diag. 4 : 3	?	6.2" diag. 18 : 9
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	?	1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	1,000 mAh	1,500 mAh	1,000 mAh	?	3,300 mAh
Processor	480 MHz Qualcomm QSC6155	800 MHz Qualcomm MSM7627A	400 MHz Qualcomm QSC6155	?	1.8 GHz Qualcomm Snapdragon 450
RAM	128 MB	512 MB	128 MB	?	2 GB *
Storage	256 MB	1 GB	256 MB	? raw hardware	32 GB *
Main Camera	2 megapixel	3 megapixel	1 megapixel	-	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	720p HD	-	-	1080p HD
Front Camera	-	Yes	-	-	5 megapixel
Weight	4.14 oz (117g)	4.5 oz (128g)	3.7 oz (105g)	2.08 oz (59g)	6.07 oz (172g)
Dimensions	4.41" x 2.12" x 0.59" (112 x 54 x 15 mm)	4.67" x 2.46" x 0.55" (119 x 62 x 14 mm)	3.8" x 1.9" x 0.7" (97 x 48 x 17.8 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm)
Form Factor	Slide	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 800, 850, 1900	CDMA: 850, 1700, 1900	CDMA: 800, 850, 1900	GSM: 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	1xRTT	EVDO rA	1xRTT	-	LTE (Cat 6)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	-	n/a
Accessibility
Adjustable Text Size	-	n/a	Yes	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	-	n/a	-	-	n/a
NFC	-	-	-	-	Yes *
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-	Yes USB Type C
Wi-Fi	-	Yes	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	-	n/a
Ringer ID	Yes	n/a	Yes	-	n/a
Voice Dialing	Yes	n/a	Yes	-	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	Yes	n/a	Yes	-	n/a
Data & Network
Data Tethering	-	n/a	-	-	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	-	Yes	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	Yes	n/a	-	-	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	Yes	-	n/a
Text Messaging Templates	Yes	n/a	Yes	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	Yes	n/a	-	-	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	-	n/a	-	Yes	n/a
Voice Memo	Yes	n/a	Yes	-	n/a
Software
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	Yes	n/a	-	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Array / Montage	ZTE Groove	Samsung M400	Ericsson T66	LG Stylo 4
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Array / Montage	ZTE Groove	Samsung M400	Ericsson T66	LG Stylo 4