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Phone	ZTE Z998 / Unico LTE	Nokia 6155i	Samsung Stratosphere / Galaxy Metrix 4G	LG VX-3200	Pantech Duo C810
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	4" diag. 5 : 3	?	2.2" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	128 x 128 pixels LCD (STN)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	2,070 mAh	1,070 mAh	?	1,000 mAh	1,320 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	1 GHz Samsung Cortex A8 Hummingbird	?	ARM 920t PXA27x
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	5 megapixel	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	sub-QCIF (128 x 96)	WVGA / 480p	-	QVGA (320 x 240)
Front Camera	1 megapixel	-	1 megapixel	-	-
Weight	4.8 oz (136g)	4.44 oz (126g)	5.8 oz (164g)	3.53 oz (100g)	3.88 oz (110g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.41" x 1.79" x 1.02" (87 x 45 x 25.9 mm)	4.96" x 2.54" x 0.55" (126 x 65 x 14 mm)	3.35" x 1.81" x 0.92" (85 x 46 x 23.4 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)
Form Factor	Slab	Clamshell	Slide	Clamshell	Slide
Platform / OS	Android	(proprietary)	Android	(proprietary)	Windows Mobile Standard
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 CDMA: 850, 1900 *	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	1xRTT	LTE (Cat 3)	1xRTT	HSDPA 1.8
Features
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	-	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	-	n/a
Real-Music Ringers	n/a	Yes	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	-	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	-	Yes
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
EMS / Picture Messaging	n/a	-	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	Yes	n/a	-	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	-	n/a	-	n/a
Photo & Video
DLNA	-	-	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	Yes	n/a	-	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	-	n/a
Java (J2ME)	n/a	Yes *	n/a	-	n/a
Voice
Call Screening	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Nokia 6155i	Samsung Stratosphere / Galaxy Metrix 4G	LG VX-3200	Pantech Duo C810
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Nokia 6155i	Samsung Stratosphere / Galaxy Metrix 4G	LG VX-3200	Pantech Duo C810