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Specifications
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Phone	Kyocera DuraXT / DuraPro	BlackBerry Curve 8320	Audiovox CDM-8910 / PM-8912 / Flasher V7	LG K20 / Harmony / Grace	Apple iPhone 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	?	?	5.3" diag. 16 : 9	3.5" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,360 mAh	1,100 mAh	?	2,800 mAh	?
Processor	Qualcomm QSC6085	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	Apple A4
RAM	?	?	?	1.5 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	32 GB *
Main Camera	3 megapixel	2 megapixel	Yes	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	-	1080p HD	720p HD
Front Camera	-	-	-	5 megapixel	Yes
Weight	5.3 oz (150g)	3.92 oz (111g)	3.7 oz (105g)	5 oz (142g)	4.8 oz (136g)
Dimensions	4" x 2.1" x 1.1" (102 x 53 x 27.9 mm)	4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm)	3.9" x 1.83" x 0.97" (99 x 46 x 24.6 mm)	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	Android	iOS
Network Bands	CDMA: 800, 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850 *	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	EDGE	1xRTT	LTE (Cat 4)	HSPA 7.2
Features
Flashlight	-	-	-	Yes	-
GPS / Location	Yes	n/a	Yes	n/a	n/a
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes	-	-	-	-
Accessibility
Adjustable Text Size	Yes	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
NFC	-	-	-	Yes *	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	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	-
Messaging
Email Client	-	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Photo & Video
TV Output	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	-	n/a	Yes *	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	Yes *	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Kyocera DuraXT / DuraPro	BlackBerry Curve 8320	Audiovox CDM-8910 / PM-8912 / Flasher V7	LG K20 / Harmony / Grace	Apple iPhone 4 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Kyocera DuraXT / DuraPro	BlackBerry Curve 8320	Audiovox CDM-8910 / PM-8912 / Flasher V7	LG K20 / Harmony / Grace	Apple iPhone 4 (GSM)