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Phone	ZTE Z998 / Unico LTE	LG eXpo GW820	Samsung SCH-A310	Kyocera KX12	Casio G'zOne Boulder
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	3.2" diag. 5 : 3	?	?	2" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	480 x 800 pixels (~292 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	128 x 128 pixels LCD (STN)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	2,070 mAh	1,500 mAh	?	1,800 mAh	810 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	?	?
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	5 megapixel	-	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	-	-	?
Front Camera	1 megapixel	-	-	-	-
Weight	4.8 oz (136g)	5.2 oz (147g)	3.2 oz (91g)	4.62 oz (131g)	4.9 oz (139g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.45" x 2.16" x 0.63" (113 x 55 x 16 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.33" x 1.97" x 1.02" (110 x 50 x 25.9 mm)	3.9" x 2" x 0.9" (99 x 51 x 22.9 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Clamshell
Platform / OS	Android	Windows Mobile Professional	(proprietary)	(proprietary)	(proprietary)
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	HSPA 7.2	1xRTT	1xRTT	EVDO rA
Features
Fingerprint Reader	-	Yes	-	-	-
Flashlight	-	-	-	Yes	Yes
GPS / Location	n/a	n/a	Yes	Yes	Yes
Ruggedized	-	-	-	Yes	Yes
Water-Resistant	-	-	-	-	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)
Multiple Languages	n/a	n/a	Yes	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Mobile Hotspot	n/a	n/a	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	-	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	n/a	n/a	-	Yes	Yes
Ringer ID	n/a	n/a	-	Yes	Yes
Voice Dialing	n/a	n/a	Yes	Yes	Yes
Customization
Changeable Body Plates	-	-	Yes	-	Yes
Custom Graphics	n/a	n/a	-	Yes	Yes
Custom Ringtones	n/a	n/a	-	Yes	Yes
Real-Music Ringers	n/a	n/a	-	-	-
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	Yes
WAP / Web Browser	n/a	n/a	Yes	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes Resistive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	-
EMS / Picture Messaging	n/a	n/a	-	Yes	Yes
Instant Messaging	n/a	n/a	-	-	-
MMS	n/a	n/a	-	-	Yes
Text Messaging Templates	n/a	n/a	-	Yes	Yes
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	n/a	-	-	Yes
Photo & Video
TV Output	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	-	Yes	Yes
Calculator	n/a	n/a	-	Yes	Yes
Calendar	n/a	n/a	Yes	Yes	Yes
Voice Memo	n/a	n/a	Yes	Yes	Yes
Software
BREW	n/a	n/a	-	Yes *	Yes
Games	n/a	n/a	Yes	Yes	Yes
Java (J2ME)	n/a	n/a	-	-	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	Yes	-
Push-To-Talk	-	-	-	Yes	Yes
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	LG eXpo GW820	Samsung SCH-A310	Kyocera KX12	Casio G'zOne Boulder
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	LG eXpo GW820	Samsung SCH-A310	Kyocera KX12	Casio G'zOne Boulder