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Specifications
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Phone	ZTE Groove	Samsung Galaxy J2 / J2 Pure / J2 Dash	Motorola Droid 4	Samsung SGH-X640	Samsung Glyde U940
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	5" diag. 16 : 9	4" diag. 16 : 9	?	2.8" diag. 16.5 : 9
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	60 Hz	?	?
Battery	1,500 mAh	2,600 mAh	1,785 mAh	800 mAh	1,000 mAh
Processor	800 MHz Qualcomm MSM7627A	1.4 GHz Samsung Exynos 7570	?	?	?
RAM	512 MB	2 GB	1 GB	?	?
Storage	1 GB	16 GB	16 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	8 megapixel	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	1080p HD	-	QVGA (320 x 240)
Front Camera	Yes	5 megapixel	1 megapixel	-	-
Weight	4.5 oz (128g)	5.43 oz (154g)	6.31 oz (179g)	3 oz (85g)	4.2 oz (119g)
Dimensions	4.67" x 2.46" x 0.55" (119 x 62 x 14 mm)	5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm)	5" x 2.65" x 0.5" (127 x 67 x 12.7 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)
Form Factor	Slab	Slab	Slide	Clamshell	Slide
Platform / OS	Android	Android	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1700, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 13 CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	LTE (Cat 4)	LTE (Cat 3)	GPRS	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	n/a	-	Yes
Accessibility
Hearing Aid Compatible	-	Yes	Yes	-	Yes
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-	Yes Classic Audio
Mobile Hotspot	n/a	n/a	n/a	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	Yes	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	Yes
Ringer ID	n/a	n/a	n/a	Yes	Yes
Voice Dialing	n/a	n/a	n/a	-	Yes
Customization
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	-	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	-	Yes
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	Yes	Yes	Yes	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	-
EMS / Picture Messaging	n/a	n/a	n/a	Yes	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	Yes	Yes
Text Messaging Templates	n/a	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	Yes
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	Yes	-
Voice Memo	n/a	n/a	n/a	Yes	-
Software
BREW	n/a	n/a	n/a	-	Yes
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	Yes	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	ZTE Groove	Samsung Galaxy J2 / J2 Pure / J2 Dash	Motorola Droid 4	Samsung SGH-X640	Samsung Glyde U940
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Groove	Samsung Galaxy J2 / J2 Pure / J2 Dash	Motorola Droid 4	Samsung SGH-X640	Samsung Glyde U940