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Phone	Samsung Galaxy S III (CDMA)	Samsung SCH-A990	BlackBerry Curve 8320	Sony Ericsson Z550a	HTC MDA Compact / xda II mini / JAM (Magician)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.8" diag. 16 : 9	?	?	1.9" diag. 4 : 3	?
Display Resolution & Type	720 x 1280 pixels (~306 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,100 mAh	1,000 mAh	1,100 mAh	?	1,200 mAh
Processor	1.5 GHz Qualcomm Snapdragon S4	?	?	?	416 MHz Intel xScale
RAM	2 GB	?	?	?	?
Storage	16 GB *	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	3 megapixel	2 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	?	-	?	?
Front Camera	2 megapixel	-	-	-	-
Weight	4.65 oz (132g)	4.4 oz (125g)	3.92 oz (111g)	3.26 oz (92g)	5.29 oz (150g)
Dimensions	5.38" x 2.78" x 0.34" (137 x 71 x 8.6 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm)	3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm)	4.25" x 2.28" x 0.72" (108 x 58 x 18.3 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	BlackBerry OS	(proprietary)	Windows Mobile Professional
Network Bands	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 *	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	GSM: 850, 1800, 1900 *
Data Technology	LTE (Cat 3)	EVDO r0	EDGE	GPRS	GPRS
Features
Flashlight	Yes	Yes	-	-	-
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes	Yes	Yes	Yes Mini-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	Yes 802.11 b,g	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	Yes	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	Yes	n/a	Yes	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	Yes	-	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	Yes	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	Yes	n/a	-	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	-	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Galaxy S III (CDMA)	Samsung SCH-A990	BlackBerry Curve 8320	Sony Ericsson Z550a	HTC MDA Compact / xda II mini / JAM (Magician)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy S III (CDMA)	Samsung SCH-A990	BlackBerry Curve 8320	Sony Ericsson Z550a	HTC MDA Compact / xda II mini / JAM (Magician)