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Specifications
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Phone	ZTE Z998 / Unico LTE	Nokia E66	Motorola i415	HTC Ozone XV6175	Microsoft Lumia 550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	2.4" diag. 4 : 3	?	2.4" diag. 4 : 3	4.7" diag. 16 : 9
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,070 mAh	1,000 mAh	?	1,500 mAh	2,100 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	528 MHz Qualcomm S1 MSM7625	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	1 GB	?	?	?	1 GB
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	5 megapixel	3 megapixel	-	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QVGA (320 x 240)	-	?	720p HD
Front Camera	1 megapixel	-	-	-	2 megapixel
Weight	4.8 oz (136g)	4.27 oz (121g)	4.7 oz (133g)	3.7 oz (105g)	5.01 oz (142g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	5.5" x 1.9" x 0.85" (140 x 48 x 21.6 mm)	4.5" x 2.5" x 0.5" (114 x 64 x 12.7 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Android	S60 (Symbian)	(proprietary)	Windows Mobile Standard	Windows
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	iDEN: 800	CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	HSDPA 3.6	-	EVDO rA	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	-	n/a	n/a
Photo & Video
Video Calling	n/a	n/a	-	n/a	n/a
Productivity
Alarm	n/a	n/a	-	n/a	n/a
Calculator	n/a	n/a	-	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Nokia E66	Motorola i415	HTC Ozone XV6175	Microsoft Lumia 550
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Nokia E66	Motorola i415	HTC Ozone XV6175	Microsoft Lumia 550