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Phone	Nokia E66	Siemens C56	Palm Treo 650 (CDMA)	Nokia Lumia 810	BlackBerry 8703e
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	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	101 x 64 pixels	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,000 mAh	700 mAh	?	1,800 mAh	1,100 mAh
Processor	?	?	312 MHz Intel XScale PXA270	1.5 GHz Qualcomm Snapdragon	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	3 megapixel	-	Yes	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	QVGA (320 x 240)	1080p HD	-
Front Camera	-	-	-	1 megapixel	-
Weight	4.27 oz (121g)	3 oz (85g)	6.3 oz (179g)	5.11 oz (145g)	4.7 oz (133g)
Dimensions	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	3.98" x 1.73" x 0.83" (101 x 44 x 21.1 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	S60 (Symbian)	(proprietary)	Palm OS	Windows	BlackBerry OS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	GPRS	1xRTT	HSPA+ 42	EVDO r0
Features
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Ringer Profiles	Yes	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	Yes	-	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	-	Yes	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	-	n/a	n/a	n/a
EMS / Picture Messaging	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
Video Calling	n/a	-	n/a	n/a	n/a
Power
Wireless Charging	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	-	n/a	n/a	n/a
Voice Memo	n/a	-	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia E66	Siemens C56	Palm Treo 650 (CDMA)	Nokia Lumia 810	BlackBerry 8703e
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia E66	Siemens C56	Palm Treo 650 (CDMA)	Nokia Lumia 810	BlackBerry 8703e