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Phone	ZTE Z998 / Unico LTE	Motorola MPx200	Samsung SPH-i550	ZTE Prelude / Avail 2	Samsung SCH-A610
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	4.5" diag. 16 : 9	?	?	3.5" diag. 5 : 3	?
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,070 mAh	850 mAh	?	1,500 mAh	1,300 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	200 MHz Motorola MX-1	1 GHz Qualcomm Snapdragon MSM7225A	?
RAM	1 GB	?	?	512 MB	?
Storage	4 GB	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	5 megapixel	-	1 megapixel	2 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	VGA (640 x 480)	-
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	4.16 oz (118g)	?	4.4 oz (125g)	4.23 oz (120g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.5" x 1.88" x 1.06" (89 x 48 x 26.9 mm)	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)
Form Factor	Slab	Clamshell	Clamshell	Slab	Clamshell
Platform / OS	Android	Windows Mobile Standard	Palm OS	Android	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	GPRS	1xRTT	HSPA 7.2	1xRTT
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M3, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	-
Infrared (IR)	-	Yes	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes	-	Yes	-
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	-
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	n/a	n/a	n/a	-
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	n/a	n/a	n/a	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	Yes
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	-	Yes	-
	* Some versions only
	ZTE Z998 / Unico LTE	Motorola MPx200	Samsung SPH-i550	ZTE Prelude / Avail 2	Samsung SCH-A610
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Motorola MPx200	Samsung SPH-i550	ZTE Prelude / Avail 2	Samsung SCH-A610