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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Casio G'zOne Rock	Huawei Ascend	Kyocera Cyclops K325 / K312	Samsung Galaxy Ring / Prevail 2	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	3.5" diag. 5 : 3	?	4" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels (~190 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	1,150 mAh	1,500 mAh	900 mAh	1,750 mAh	1,000 mAh
Processor	?	528 MHz Qualcomm S1 MSM7625	?	1.4 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	2 megapixel	3 megapixel	1 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	CIF (352 x 288)	-	720p HD	?
Front Camera	-	-	-	1 megapixel	-
Weight	4.4 oz (125g)	4.76 oz (135g)	3.4 oz (96g)	3.4 oz (96g)	4.4 oz (125g)
Dimensions	4.1" x 2" x 0.9" (104 x 51 x 22.9 mm)	4.57" x 2.44" x 0.55" (116 x 62 x 14 mm)	3.54" x 1.81" x 0.92" (90 x 46 x 23.4 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1700, 1900	CDMA: 1900	CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	EVDO rA	1xRTT	EVDO rA	EVDO r0
Features
Flashlight	Yes	-	-	-	Yes
GPS / Location	Yes	n/a	Yes	n/a	Yes
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M4 (very compatible)	Yes M4 (very compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	-	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
USB	Yes	Yes	Yes	Yes	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	Yes	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	Yes	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	Yes	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	Yes	n/a	-	n/a	-
EMS / Picture Messaging	-	n/a	Yes	n/a	Yes
Instant Messaging	Yes	n/a	Yes	n/a	-
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	Yes	n/a	-	n/a	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	Yes	n/a	-	n/a	Yes
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	-	n/a	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	-
Push-To-Talk	Yes	-	Yes *	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Casio G'zOne Rock	Huawei Ascend	Kyocera Cyclops K325 / K312	Samsung Galaxy Ring / Prevail 2	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Casio G'zOne Rock	Huawei Ascend	Kyocera Cyclops K325 / K312	Samsung Galaxy Ring / Prevail 2	Samsung SCH-A990