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Phone	Samsung SCH-A990	HTC HD7 / HD7S	ZTE Speed	Samsung Galaxy S 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	4.5" diag. 16 : 9	5" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~441 ppi) AMOLED
Display Refresh	?	?	60 Hz	60 Hz
Battery	1,000 mAh	1,230 mAh	2,000 mAh	2,600 mAh
Processor	?	1 GHz Qualcomm Snapdragon S1 QSD8250	1.2 GHz Qualcomm Snapdragon 410 MSM8916	1.9 GHz Qualcomm Snapdragon 600 8064T
RAM	?	?	1 GB	2 GB
Storage	? raw hardware	16 GB	8 GB	16 GB *
Main Camera	3 megapixel	5 megapixel	5 megapixel	13 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	?	720p HD	720p HD	1080p HD
Front Camera	-	-	2 megapixel	2 megapixel
Weight	4.4 oz (125g)	5.71 oz (162g)	4.8 oz (136g)	4.59 oz (130g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 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)	Windows	Android	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EVDO r0	HSPA 7.2	LTE (Cat 3)	LTE (Cat 3)
Features
Flashlight	Yes	-	-	Yes
GPS / Location	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M3, T4 (very 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
Mobile Hotspot	-	n/a	n/a	n/a
NFC	-	-	-	Yes
USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 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
FM Radio	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes
Music Player	Yes	n/a	n/a	n/a
Stereo Speakers	Yes	Yes	-	-
Photo & Video
DLNA	-	-	-	Yes
Miracast	-	-	-	Yes
TV Output	Yes	-	-	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	HTC HD7 / HD7S	ZTE Speed	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	HTC HD7 / HD7S	ZTE Speed	Samsung Galaxy S 4 (GSM)