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Phone	Nokia N81	Motorola T720 (CDMA)	BlackBerry Z10 (CDMA)	Kyocera DuraPlus	BlackBerry Curve 8320
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	4.2" diag. 5 : 3	2" diag. 4 : 3	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	120 x 160 pixels LCD (STN)	768 x 1280 pixels (~355 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,050 mAh	?	1,800 mAh	1,650 mAh	1,100 mAh
Processor	369 MHz ARM 11	?	1.5 GHz Qualcomm Snapdragon S4	?	?
RAM	?	?	2 GB	128 MB	?
Storage	8 GB *	? raw hardware	16 GB	256 MB	? raw hardware
Main Camera	2 megapixel	-	8 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	1080p HD	-	-
Front Camera	-	-	2 megapixel	-	-
Weight	4.94 oz (140g)	3.95 oz (112g)	4.78 oz (135g)	6.67 oz (189g)	3.92 oz (111g)
Dimensions	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	3.5" x 1.87" x 0.91" (89 x 47 x 23.1 mm)	5.12" x 2.58" x 0.35" (130 x 66 x 9 mm)	5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm)	4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm)
Form Factor	Slide	Clamshell	Slab	Slab	Slab
Platform / OS	S60 (Symbian)	(proprietary)	BlackBerry 10	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 1 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	GSM: 850, 900, 1800, 1900
Data Technology	EDGE	1xRTT	LTE (Cat 3)	EVDO rA	EDGE
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Ruggedized	-	-	-	Yes	-
Water-Resistant	-	-	-	Yes	-
Accessibility
Adjustable Text Size	n/a	-	n/a	Yes	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 a,b,g,n)	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	-	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	-	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes *	-	Yes	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	-	n/a	-	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Video Calling	n/a	-	n/a	-	n/a
Productivity
Alarm	n/a	-	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	Yes *	n/a	Yes	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Push-To-Talk	Yes *	-	-	Yes	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Nokia N81	Motorola T720 (CDMA)	BlackBerry Z10 (CDMA)	Kyocera DuraPlus	BlackBerry Curve 8320
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N81	Motorola T720 (CDMA)	BlackBerry Z10 (CDMA)	Kyocera DuraPlus	BlackBerry Curve 8320