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Phone	ZTE Z998 / Unico LTE	Samsung Chrono	HTC MDA Compact / xda II mini / JAM (Magician)	Nokia 3586i / 3588i	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	2" diag. 4 : 3	?	?	?
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	96 x 65 pixels LCD (STN)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,070 mAh	?	1,200 mAh	1,000 mAh	1,000 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	416 MHz Intel xScale	?	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	1 megapixel	-	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	-	?
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3.14 oz (89g)	5.29 oz (150g)	4.11 oz (117g)	4.4 oz (125g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.7" x 1.83" x 0.67" (94 x 46 x 17 mm)	4.25" x 2.28" x 0.72" (108 x 58 x 18.3 mm)	4.6" x 1.92" x 0.94" (117 x 49 x 23.9 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Clamshell
Platform / OS	Android	(proprietary)	Windows Mobile Professional	(proprietary)	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1700, 1900 *	GSM: 850, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	1xRTT	GPRS	1xRTT	EVDO r0
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	Yes	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	-	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	Yes
Ringer ID	n/a	Yes	n/a	-	Yes
Voice Dialing	n/a	Yes	n/a	Yes	Yes
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	Yes	n/a	Yes *	Yes
Custom Ringtones	n/a	Yes	n/a	Yes *	Yes
Real-Music Ringers	n/a	-	n/a	-	Yes
Data & Network
Data Tethering	n/a	-	n/a	Yes *	Yes
WAP / Web Browser	n/a	Yes	n/a	Yes *	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	-	Yes
Touch Screen	Yes Capacitive	-	Yes	-	-
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	-
EMS / Picture Messaging	n/a	-	n/a	-	Yes
Instant Messaging	n/a	-	n/a	-	-
MMS	n/a	Yes	n/a	-	Yes
Text Messaging Templates	n/a	Yes	n/a	Yes *	Yes
Music
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	-	n/a	-	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	n/a	Yes	Yes
Calculator	n/a	Yes	n/a	-	Yes
Calendar	n/a	Yes	n/a	Yes	Yes
To-Do List	n/a	-	n/a	-	-
Voice Memo	n/a	Yes	n/a	Yes	Yes
Software
BREW	n/a	Yes	n/a	-	Yes
Games	n/a	Yes	n/a	Yes	Yes
Java (J2ME)	n/a	-	n/a	Yes *	-
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	-
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Samsung Chrono	HTC MDA Compact / xda II mini / JAM (Magician)	Nokia 3586i / 3588i	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Samsung Chrono	HTC MDA Compact / xda II mini / JAM (Magician)	Nokia 3586i / 3588i	Samsung SCH-A990