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Phone	ZTE Z998 / Unico LTE	Siemens SL65	Samsung Sway U650	MiTAC Mio 8380	Samsung Jack i637
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	2.2" diag. 4 : 3	?	2.4" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,070 mAh	700 mAh	?	1,050 mAh	1,480 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	200 MHz Intel XScale	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	-	2 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	?	?	?
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	3.49 oz (99g)	3.56 oz (101g)	5.04 oz (143g)	3.6 oz (102g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.55" x 1.87" x 0.82" (90 x 47 x 20.8 mm)	4.15" x 1.96" x 0.47" (105 x 50 x 11.9 mm)	3.82" x 2.03" x 1.17" (97 x 52 x 29.7 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)
Form Factor	Slab	Slide	Slide	Clamshell	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Windows Mobile Standard	Windows Mobile Standard
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	GPRS	1xRTT	GPRS	HSDPA 3.6
Features
GPS / Location	n/a	-	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	Yes	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Infrared (IR)	-	Yes	-	Yes	-
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes Micro-USB	Yes	Yes	-	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	-	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	Yes	n/a	n/a
Instant Messaging	n/a	-	Yes	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	-	Yes	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
BREW	n/a	-	Yes	n/a	n/a
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	-	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Siemens SL65	Samsung Sway U650	MiTAC Mio 8380	Samsung Jack i637
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Siemens SL65	Samsung Sway U650	MiTAC Mio 8380	Samsung Jack i637