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Phone	Alcatel 665	ZTE Z432 / Altair 2	Samsung SPH-N270 (Matrix Phone)	Nokia 1661	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	2.4" diag. 4 : 3	?	1.8" diag. 4 : 3	5.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels (~114 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	650 mAh	900 mAh	1,000 mAh	860 mAh	3,300 mAh
Processor	?	Qualcomm QSC6270	?	?	1.6 GHz Samsung Exynos 7870
RAM	16 MB	128 MB	?	?	2 GB
Storage	32 MB	256 MB	? raw hardware	? raw hardware	16 GB *
Main Camera	2 megapixel	2 megapixel	-	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	QVGA (320 x 240)	-	-	1080p HD
Front Camera	-	-	-	-	Yes
Weight	2.72 oz (77g)	3.24 oz (92g)	4.66 oz (132g)	2.9 oz (82g)	5.8 oz (164g)
Dimensions	3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm)	4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)	4.25" x 1.8" x 0.53" (108 x 46 x 13.5 mm)	5.96" x 3.01" x 0.34" (151 x 76 x 8.6 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	(proprietary)	(proprietary)	Android
Network Bands	GSM: 850, 1900	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	-	HSDPA 3.6	-	-	LTE (Cat 6)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	-	Yes	Yes	-	n/a
Accessibility
Adjustable Text Size	-	Yes	-	-	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	Yes	Yes	-	n/a
TTY/TDD (Digital)	-	Yes	-	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
USB	Yes Micro-USB	Yes Micro-USB	-	-	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	Yes	-	n/a
Ringer ID	Yes	Yes	Yes	-	n/a
Voice Dialing	-	-	Yes	-	n/a
Customization
Custom Graphics	Yes	Yes	-	-	n/a
Custom Ringtones	Yes	-	-	-	n/a
Real-Music Ringers	Yes	Yes	-	-	n/a
Data & Network
WAP / Web Browser	Yes	Yes	-	-	n/a
Input
Predictive Text Entry	Yes	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	-	-	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	-	Yes	-	-	n/a
Instant Messaging	Yes	-	-	-	n/a
MMS	Yes	Yes	-	-	n/a
Text Messaging Templates	Yes	Yes	-	-	n/a
Music
FM Radio	Yes	-	-	Yes	Yes
Headphone Jack (3.5mm)	Yes	Yes	-	-	Yes
Music Player	Yes	Yes	-	-	n/a
Productivity
Alarm	Yes	Yes	Yes	Yes	n/a
Calculator	Yes	Yes	Yes	Yes	n/a
Calendar	Yes	Yes	Yes	Yes	n/a
To-Do List	-	-	Yes	-	n/a
Voice Memo	Yes	Yes	Yes	Yes	n/a
Software
Games	Yes	-	-	Yes	n/a
Java (J2ME)	Yes	-	-	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	-	Yes	Yes	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	Alcatel 665	ZTE Z432 / Altair 2	Samsung SPH-N270 (Matrix Phone)	Nokia 1661	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Alcatel 665	ZTE Z432 / Altair 2	Samsung SPH-N270 (Matrix Phone)	Nokia 1661	Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo