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Phone	Nokia 7.1	Samsung SCH-A990	ZTE Z431 / Altair	Samsung BlackJack SGH-i607	Nokia 3600
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.8" diag. 19 : 9	?	2.4" diag. 4 : 3	?	?
Display Resolution & Type	1080 x 2280 pixels (~432 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	176 x 208 pixels LCD (Color)
Display Refresh	60 Hz	?	?	?	?
Battery	3,060 mAh	1,000 mAh	1,000 mAh	1,200 mAh	?
Processor	Qualcomm Snapdragon 636	?	?	?	?
RAM	4 GB *	?	?	?	?
Storage	64 GB *	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	12 megapixel	3 megapixel	2 megapixel	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	4K UHD	?	QVGA (320 x 240)	QVGA (320 x 240)	?
Front Camera	8 megapixel	-	-	-	-
Weight	5.64 oz (160g)	4.4 oz (125g)	3.52 oz (100g)	3.74 oz (106g)	4.59 oz (130g)
Dimensions	5.89" x 2.8" x 0.31" (150 x 71 x 8 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm)	4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm)	5.1" x 2.24" x 1" (130 x 57 x 25.4 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Windows Mobile Standard	S60 (Symbian)
Network Bands	4G LTE: 2, 4, 5, 7, 12, 13, 17, 28, 38, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1900
Data Technology	LTE (Cat 6)	EVDO r0	?	HSDPA 1.8	GPRS
Features
Fingerprint Reader	Yes stand-alone	-	-	-	-
Flashlight	Yes	Yes	-	-	-
GPS / Location	n/a	Yes	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
NFC	Yes	-	-	-	-
USB	Yes USB Type C	Yes	Yes Micro-USB	Yes	-
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	-	-
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	Yes	-	n/a	n/a
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	Yes	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	n/a	n/a
Dual-SIM	Yes	-	-	-	-
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	-
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	-	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	-	n/a	n/a
Instant Messaging	n/a	-	-	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	Yes	Yes	n/a	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
TV Output	-	Yes	-	-	-
Power
Fast Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	-	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
BREW	n/a	Yes	Yes	n/a	n/a
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	-	-	n/a	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Nokia 7.1	Samsung SCH-A990	ZTE Z431 / Altair	Samsung BlackJack SGH-i607	Nokia 3600
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 7.1	Samsung SCH-A990	ZTE Z431 / Altair	Samsung BlackJack SGH-i607	Nokia 3600