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Phone	Nokia E50	Sony Ericsson T310	Coolpad Defiant	Nokia Lumia 810	BlackBerry 8830
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	4.3" diag. 5 : 3	?
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	970 mAh	?	2,450 mAh	1,800 mAh	1,400 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	1.5 GHz Qualcomm Snapdragon	?
RAM	?	?	1 GB	1 GB	?
Storage	? raw hardware	? raw hardware	8 GB	8 GB	? raw hardware
Main Camera	1 megapixel	-	5 megapixel	8 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	720p HD	1080p HD	-
Front Camera	-	-	2 megapixel	1 megapixel	-
Weight	3.67 oz (104g)	3.42 oz (97g)	6.5 oz (184g)	5.11 oz (145g)	4.6 oz (130g)
Dimensions	4.45" x 1.71" x 0.61" (113 x 43 x 15.5 mm)	4.09" x 1.93" x 0.75" (104 x 49 x 19.1 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	S60 (Symbian)	(proprietary)	Android	Windows	BlackBerry OS
Network Bands	GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 GSM: 900, 1800 *
Data Technology	EDGE	GPRS	LTE (Cat 4)	HSPA+ 42	EVDO r0
Features
Flashlight	-	-	Yes	-	-
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 M4, T3 (mostly tele-coil 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
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	Yes	Yes	-	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
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	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	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	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	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	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	Yes *
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Nokia E50	Sony Ericsson T310	Coolpad Defiant	Nokia Lumia 810	BlackBerry 8830
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia E50	Sony Ericsson T310	Coolpad Defiant	Nokia Lumia 810	BlackBerry 8830