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Phone	Kyocera DuraXV Extreme / Extreme+	Samsung Knack U310	BlackBerry Storm2 9550	BlackBerry Curve 8330	Pantech Flex
Current U.S. Carriers	Verizon	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.6" diag. 4 : 3	2.2" diag. 4 : 3	3.3" diag. 4 : 3	?	4.3" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	1,770 mAh	1,000 mAh	1,400 mAh	1,150 mAh	1,830 mAh
Processor	2 GHz MediaTek Helio A22 (6761)	?	?	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM	2 GB	?	?	?	1 GB
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	5 megapixel	-	3 megapixel	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	?	1080p HD
Front Camera	-	-	-	-	2 megapixel
Weight	6.8 oz (193g)	3.63 oz (103g)	5.64 oz (160g)	4.02 oz (114g)	4.66 oz (132g)
Dimensions	4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	5.11" x 2.63" x 0.31" (130 x 67 x 7.9 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	BlackBerry OS	Android
Network Bands	4G LTE: 2, 4, 5, 12, 13 WCDMA: 1, 2, 5	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 4)	-	EVDO rA	EVDO r0	LTE (Cat 3)
Features
Barometer	Yes *	-	-	-	-
Flashlight	Yes	-	-	-	-
GPS / Location	Yes	Yes	n/a	n/a	n/a
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes IPX8 (SCUBA)	-	-	-	-
Accessibility
Adjustable Text Size	Yes	Yes	n/a	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil 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)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	Yes	-	n/a	n/a	n/a
USB	Yes USB Type C	-	Yes	Yes Mini-USB	Yes Micro-USB
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 802.11 b,g	-	Yes
Contacts
Picture ID	Yes	-	n/a	n/a	n/a
Ringer ID	Yes	-	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	-	n/a	n/a	n/a
Custom Ringtones	Yes	-	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
WAP / Web Browser	Yes	-	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	Yes	-	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	-	n/a	n/a	n/a
Text Messaging Templates	Yes	-	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	-	n/a	n/a	n/a
Voice Memo	Yes	-	n/a	n/a	n/a
Software
Games	-	-	n/a	n/a	n/a
Java (J2ME)	-	-	n/a	n/a	n/a
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Kyocera DuraXV Extreme / Extreme+	Samsung Knack U310	BlackBerry Storm2 9550	BlackBerry Curve 8330	Pantech Flex
	X >	< X >	< X >	< X >	< X

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


Phone	Kyocera DuraXV Extreme / Extreme+	Samsung Knack U310	BlackBerry Storm2 9550	BlackBerry Curve 8330	Pantech Flex