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Specifications
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Phone	Samsung SPH-Z400	Samsung SPH-A660 / VI660	Nokia 7.1	Motorola Backflip	ZTE Grand X 3
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.9" diag. 4 : 3	?	5.8" diag. 19 : 9	3.1" diag. 5 : 3	5.5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels (~150 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	1080 x 2280 pixels (~432 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	60 Hz
Battery	1,300 mAh	?	3,060 mAh	1,400 mAh	3,080 mAh
Processor	?	?	Qualcomm Snapdragon 636	528 MHz Qualcomm MSM7201a	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	4 GB *	?	2 GB
Storage	? raw hardware	? raw hardware	64 GB *	? raw hardware	16 GB
Main Camera	1 megapixel	-	12 megapixel	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	4K UHD	CIF (352 x 288)	720p HD
Front Camera	-	-	8 megapixel	-	2 megapixel
Weight	4.06 oz (115g)	3.54 oz (100g)	5.64 oz (160g)	4.7 oz (133g)	6 oz (170g)
Dimensions	3.73" x 1.91" x 1" (95 x 49 x 25.4 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	5.89" x 2.8" x 0.31" (150 x 71 x 8 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)
Form Factor	Clamshell	Clamshell	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 7, 12, 13, 17, 28, 38, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	1xRTT	LTE (Cat 6)	HSPA 7.2	LTE (Cat 4)
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	Yes
GPS / Location	Yes	Yes	n/a	n/a	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Adjustable Text Size	Yes	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	-	-	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
NFC	-	-	Yes	-	-
USB	Yes	-	Yes USB Type C	Yes Micro-USB	Yes USB Type C
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
Dual-SIM	-	-	Yes	-	-
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	-	-	n/a	n/a	n/a
Text Messaging Templates	Yes	-	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Power
Fast Charging	-	-	Yes	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	Yes	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung SPH-Z400	Samsung SPH-A660 / VI660	Nokia 7.1	Motorola Backflip	ZTE Grand X 3
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-Z400	Samsung SPH-A660 / VI660	Nokia 7.1	Motorola Backflip	ZTE Grand X 3