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Phone	Samsung SGH-A157	Coolpad Quattro 4G	Coolpad Defiant	LG VX-8550 Chocolate	Casio G'zOne Boulder
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	4" diag. 5 : 3	5" diag. 16 : 9	?	2" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	800 mAh	1,600 mAh	2,450 mAh	800 mAh	810 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?	?
RAM	?	?	1 GB	?	?
Storage	256 MB	512 MB	8 GB	? raw hardware	? raw hardware
Main Camera	-	3 megapixel	5 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	720p HD	QCIF (176 x 144)	?
Front Camera	-	Yes	2 megapixel	-	-
Weight	2.99 oz (85g)	3.31 oz (94g)	6.5 oz (184g)	3.24 oz (92g)	4.9 oz (139g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	3.85" x 1.87" x 0.67" (98 x 47 x 17 mm)	3.9" x 2" x 0.9" (99 x 51 x 22.9 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Clamshell
Platform / OS	(proprietary)	Android	Android	(proprietary)	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	?	LTE (Cat 3)	LTE (Cat 4)	EVDO r0	EVDO rA
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	Yes	n/a	n/a	Yes	Yes
Ruggedized	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes
Accessibility
Adjustable Text Size	Yes	n/a	n/a	-	-
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	-	Yes	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	Yes
Ringer ID	Yes	n/a	n/a	Yes	Yes
Voice Dialing	-	n/a	n/a	Yes	Yes
Customization
Changeable Body Plates	-	-	-	-	Yes
Custom Graphics	Yes	n/a	n/a	Yes	Yes
Custom Ringtones	Yes	n/a	n/a	Yes	Yes
Real-Music Ringers	Yes	n/a	n/a	Yes	-
Data & Network
Data Tethering	-	n/a	n/a	Yes	Yes
WAP / Web Browser	Yes	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	Yes
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	-	-
EMS / Picture Messaging	-	n/a	n/a	-	Yes
Instant Messaging	-	n/a	n/a	-	-
MMS	Yes	n/a	n/a	Yes	Yes
Text Messaging Templates	Yes	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	-	n/a	n/a	Yes	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	Yes
Calculator	Yes	n/a	n/a	Yes	Yes
Calendar	Yes	n/a	n/a	Yes	Yes
To-Do List	Yes	n/a	n/a	-	-
Voice Memo	Yes	n/a	n/a	Yes	Yes
Software
BREW	-	n/a	n/a	Yes	Yes
Games	-	n/a	n/a	Yes	Yes
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	Yes	-
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-A157	Coolpad Quattro 4G	Coolpad Defiant	LG VX-8550 Chocolate	Casio G'zOne Boulder
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A157	Coolpad Quattro 4G	Coolpad Defiant	LG VX-8550 Chocolate	Casio G'zOne Boulder