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Phone	Samsung SCH-A990	MiTAC Mio 8380	Microsoft Lumia 550	Samsung Vibrant (Galaxy S)	Samsung Galaxy S III (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.7" diag. 16 : 9	4" diag. 5 : 3	4.8" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	720 x 1280 pixels (~306 ppi) AMOLED
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,000 mAh	1,050 mAh	2,100 mAh	1,500 mAh	2,100 mAh
Processor	?	200 MHz Intel XScale	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	1 GHz Samsung Hummingbird Cortex A8	1.5 GHz Qualcomm Snapdragon S4
RAM	?	?	1 GB	?	2 GB
Storage	? raw hardware	? raw hardware	8 GB	16 GB	16 GB *
Main Camera	3 megapixel	Yes	5 megapixel	5 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	720p HD	1080p HD
Front Camera	-	-	2 megapixel	-	2 megapixel
Weight	4.4 oz (125g)	5.04 oz (143g)	5.01 oz (142g)	4.16 oz (118g)	4.65 oz (132g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	3.82" x 2.03" x 1.17" (97 x 52 x 29.7 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)	4.82" x 2.54" x 0.39" (122 x 65 x 9.9 mm)	5.38" x 2.78" x 0.34" (137 x 71 x 8.6 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	Windows Mobile Standard	Windows	Android	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 *
Data Technology	EVDO r0	GPRS	LTE (Cat 4)	HSPA 7.2	LTE (Cat 3)
Features
Flashlight	Yes	-	Yes	-	Yes
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	n/a	n/a
NFC	-	-	-	-	Yes
USB	Yes	-	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	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	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	-	Yes	Yes
TV Output	Yes	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	-	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
BREW	Yes	n/a	n/a	n/a	n/a
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	-	n/a	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-	Yes
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SCH-A990	MiTAC Mio 8380	Microsoft Lumia 550	Samsung Vibrant (Galaxy S)	Samsung Galaxy S III (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	MiTAC Mio 8380	Microsoft Lumia 550	Samsung Vibrant (Galaxy S)	Samsung Galaxy S III (CDMA)