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Phone	Nokia Lumia 521 / 520	Siemens CX75	Nokia 6263	Coolpad Defiant	Nokia E66
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	2.2" diag. 4 : 3	5" diag. 16 : 9	2.4" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	132 x 176 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	1,430 mAh	750 mAh	1,020 mAh	2,450 mAh	1,000 mAh
Processor	1 GHz Qualcomm Snapdragon S4 MSM8270	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?
RAM	512 MB	?	?	1 GB	?
Storage	8 GB	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	5 megapixel	1 megapixel	1 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	?	720p HD	QVGA (320 x 240)
Front Camera	-	-	-	2 megapixel	-
Weight	4.39 oz (124g)	3.46 oz (98g)	3.7 oz (105g)	6.5 oz (184g)	4.27 oz (121g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm)	3.72" x 1.88" x 0.85" (94 x 48 x 21.6 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slide
Platform / OS	Windows	(proprietary)	(proprietary)	Android	S60 (Symbian)
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSPA+ 21	GPRS	WCDMA (UMTS)	LTE (Cat 4)	HSDPA 3.6
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	-	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	Yes	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M4, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	Yes
Mobile Hotspot	n/a	-	-	n/a	n/a
USB	Yes	Yes	Yes Mini-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes	-	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	n/a	n/a
Ringer ID	n/a	Yes	Yes	n/a	n/a
Voice Dialing	n/a	-	Yes	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	-	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	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	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	-	Yes	n/a	n/a
Music
FM Radio	-	-	Yes	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	Yes	Yes	n/a	n/a
Photo & Video
Video Calling	n/a	-	-	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	Yes	Yes	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	Yes	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	n/a	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 521 / 520	Siemens CX75	Nokia 6263	Coolpad Defiant	Nokia E66
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 521 / 520	Siemens CX75	Nokia 6263	Coolpad Defiant	Nokia E66