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Phone	Samsung SPH-I300	Casio G'zOne Boulder	ZTE Blade Vantage	Samsung SPH-Z400	Samsung SGH-D307
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2" diag. 4 : 3	5" diag. 16 : 9	1.9" diag. 4 : 3	?
Display Resolution & Type	160 x 240 pixels LCD (Color)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	176 x 220 pixels (~150 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	810 mAh	2,500 mAh	1,300 mAh	?
Processor	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	-	1 megapixel	8 megapixel	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	720p HD	QCIF (176 x 144)	-
Front Camera	-	-	2 megapixel	-	-
Weight	6 oz (170g)	4.9 oz (139g)	5.29 oz (150g)	4.06 oz (115g)	4.3 oz (122g)
Dimensions	4.9" x 2.28" x 0.82" (124 x 58 x 20.8 mm)	3.9" x 2" x 0.9" (99 x 51 x 22.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	3.73" x 1.91" x 1" (95 x 49 x 25.4 mm)	3.7" x 1.9" x 0.85" (94 x 48 x 21.6 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Clamshell
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 1900 AMPS: 850	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	CDMA: 850, 1900	GSM: 850, 1800, 1900
Data Technology	-	EVDO rA	LTE (Cat 4)	EVDO rA	EDGE
Features
Flashlight	-	Yes	Yes	-	-
GPS / Location	n/a	Yes	n/a	Yes	-
Ruggedized	-	Yes	-	Yes	-
Water-Resistant	-	Yes	-	-	-
Accessibility
Adjustable Text Size	n/a	-	n/a	Yes	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M4 (very compatible)
Multiple Languages	n/a	Yes	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
USB	-	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	Yes
Ringer ID	n/a	Yes	n/a	Yes	Yes
Voice Dialing	n/a	Yes	n/a	Yes	Yes
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	Yes	n/a	Yes	Yes
Custom Ringtones	n/a	Yes	n/a	Yes	Yes
Real-Music Ringers	n/a	-	n/a	Yes	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	Yes
WAP / Web Browser	n/a	Yes	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes	-	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	n/a	-	n/a	Yes	Yes
EMS / Picture Messaging	n/a	Yes	n/a	-	Yes
MMS	n/a	Yes	n/a	-	Yes
Text Messaging Templates	n/a	Yes	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	Yes	n/a	-	-
Stereo Speakers	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	Yes	Yes
Calculator	n/a	Yes	n/a	Yes	Yes
Calendar	n/a	Yes	n/a	Yes	Yes
To-Do List	n/a	-	n/a	-	Yes
Voice Memo	n/a	Yes	n/a	Yes	Yes
Software
BREW	n/a	Yes	n/a	-	-
Games	n/a	Yes	n/a	Yes	Yes
Java (J2ME)	n/a	-	n/a	Yes	Yes
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	-
Push-To-Talk	-	Yes	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SPH-I300	Casio G'zOne Boulder	ZTE Blade Vantage	Samsung SPH-Z400	Samsung SGH-D307
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SPH-I300	Casio G'zOne Boulder	ZTE Blade Vantage	Samsung SPH-Z400	Samsung SGH-D307