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Phone	Nokia N81	Nokia Lumia 810	Motorola T720 (CDMA)	Nokia 9290	BlackBerry Z10 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	4.3" diag. 5 : 3	?	?	4.2" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	120 x 160 pixels LCD (STN)	640 x 200 pixels LCD (TFT/TFD)	768 x 1280 pixels (~355 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,050 mAh	1,800 mAh	?	1,300 mAh	1,800 mAh
Processor	369 MHz ARM 11	1.5 GHz Qualcomm Snapdragon	?	?	1.5 GHz Qualcomm Snapdragon S4
RAM	?	1 GB	?	?	2 GB
Storage	8 GB *	8 GB	? raw hardware	? raw hardware	16 GB
Main Camera	2 megapixel	8 megapixel	-	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	1080p HD	-	-	1080p HD
Front Camera	-	1 megapixel	-	-	2 megapixel
Weight	4.94 oz (140g)	5.11 oz (145g)	3.95 oz (112g)	8.6 oz (244g)	4.78 oz (135g)
Dimensions	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	3.5" x 1.87" x 0.91" (89 x 47 x 23.1 mm)	6.22" x 2.2" x 1.06" (158 x 56 x 26.9 mm)	5.12" x 2.58" x 0.35" (130 x 66 x 9 mm)
Form Factor	Slide	Slab	Clamshell	Clamshell	Slab
Platform / OS	S60 (Symbian)	Windows	(proprietary)	(proprietary)	BlackBerry 10
Network Bands	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	GSM: 1900	4G LTE: 13 WCDMA: 1, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	EDGE	HSPA+ 42	1xRTT	-	LTE (Cat 3)
Features
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	n/a	-	-	n/a
NFC	-	Yes	-	-	Yes
USB	Yes Micro-USB	Yes Micro-USB	Yes	-	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	n/a	-	-	n/a
Ringer ID	n/a	n/a	Yes	-	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	n/a	Yes	-	n/a
Custom Ringtones	n/a	n/a	Yes	-	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	-	n/a
Side Keys	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	n/a	n/a	Yes	-	n/a
EMS / Picture Messaging	n/a	n/a	Yes	-	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	-	-	n/a
Text Messaging Templates	n/a	n/a	Yes	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
Power
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	-	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	Yes	n/a
Voice Memo	n/a	n/a	Yes	-	n/a
Software
BREW	n/a	n/a	Yes *	-	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	-	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Nokia N81	Nokia Lumia 810	Motorola T720 (CDMA)	Nokia 9290	BlackBerry Z10 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N81	Nokia Lumia 810	Motorola T720 (CDMA)	Nokia 9290	BlackBerry Z10 (CDMA)