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Phone	Casio G'zOne Rock	BlackBerry Storm2 9550	ZTE Savvy	Nokia 3555	T-Mobile REVVL V
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	3.3" diag. 4 : 3	4" diag. 5 : 3	1.8" diag. 4 : 3	6.5" diag. 20 : 9
Display Resolution & Type	240 x 320 pixels (~190 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels (~114 ppi) LCD (TFT/TFD)	720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,150 mAh	1,400 mAh	1,650 mAh	?	4,000 mAh
Processor	?	?	1 GHz Qualcomm MSM8625	?	2 GHz MediaTek Helio G25 (MT6762V)
RAM	?	?	768 MB	?	3 GB
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	32 GB
Main Camera	2 megapixel	3 megapixel	5 megapixel	Yes	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	WVGA / 480p	QCIF (176 x 144)	1080p HD
Front Camera	-	-	-	-	5 megapixel
Weight	4.4 oz (125g)	5.64 oz (160g)	4.43 oz (126g)	3.32 oz (94g)	6.45 oz (183g)
Dimensions	4.1" x 2" x 0.9" (104 x 51 x 22.9 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)	3.94" x 1.75" x 0.83" (100 x 44 x 21 mm)	6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	BlackBerry OS	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	EVDO rA	EVDO rA	WCDMA (UMTS)	LTE (Cat 6)
Features
Fingerprint Reader	-	-	-	-	Yes stand-alone
Flashlight	Yes	-	Yes	-	Yes
GPS / Location	Yes	n/a	n/a	-	n/a
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes * M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	-	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes	Yes	Yes Micro-USB	Yes	Yes USB Type C
Wi-Fi	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	-	n/a
Instant Messaging	Yes	n/a	n/a	Yes *	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	Yes	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes	n/a	n/a	-	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Casio G'zOne Rock	BlackBerry Storm2 9550	ZTE Savvy	Nokia 3555	T-Mobile REVVL V
	X >	< X >	< X >	< X >	< X

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


Phone	Casio G'zOne Rock	BlackBerry Storm2 9550	ZTE Savvy	Nokia 3555	T-Mobile REVVL V