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Specifications
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Phone	Samsung SCH-A990	ZTE Savvy	Samsung Galaxy S6 (GSM)	Samsung Galaxy S 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	5.1" diag. 16 : 9	5" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED	1080 x 1920 pixels (~441 ppi) AMOLED
Display Refresh	?	60 Hz	60 Hz	60 Hz
Battery	1,000 mAh	1,650 mAh	2,550 mAh	2,600 mAh
Processor	?	1 GHz Qualcomm MSM8625	2.1 GHz Samsung Exynos 7420	1.9 GHz Qualcomm Snapdragon 600 8064T
RAM	?	768 MB	3 GB	2 GB
Storage	? raw hardware	4 GB	32 GB *	16 GB *
Main Camera	3 megapixel	5 megapixel	16 megapixel	13 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	?	WVGA / 480p	4K UHD	1080p HD
Front Camera	-	-	5 megapixel	2 megapixel
Weight	4.4 oz (125g)	4.43 oz (126g)	4.87 oz (138g)	4.59 oz (130g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)	5.38" x 2.75" x 0.31" (137 x 70 x 7.9 mm)
Form Factor	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Android	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO r0	EVDO rA	LTE (Cat 6)	LTE (Cat 3)
Features
Fingerprint Reader	-	-	Yes	-
Flashlight	Yes	Yes	Yes	Yes
GPS / Location	Yes	n/a	n/a	n/a
VR-ready	-	-	Yes	-
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	Yes
MirrorLink	-	-	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a
NFC	-	-	Yes	Yes
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a
MMS	Yes	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	Yes	n/a	n/a	n/a
Stereo Speakers	Yes	-	-	-
Photo & Video
DLNA	-	Yes	Yes	Yes
Miracast	-	-	Yes	Yes
TV Output	Yes	-	Yes	Yes
Power
Fast Charging	-	-	Yes	-
Wireless Charging	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a
Software
BREW	Yes	n/a	n/a	n/a
Games	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes
	Samsung SCH-A990	ZTE Savvy	Samsung Galaxy S6 (GSM)	Samsung Galaxy S 4 (GSM)
	X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	ZTE Savvy	Samsung Galaxy S6 (GSM)	Samsung Galaxy S 4 (GSM)