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Phone	Nokia Lumia 900	Nokia N-Gage	Samsung SPH-A640	Sharp Sidekick LX 2009	Huawei W1
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	?	?	3.2" diag. 16 : 9	4" diag. 5 : 3
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	176 x 208 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	854 x 480 pixels (~306 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,830 mAh	850 mAh	800 mAh	1,250 mAh	1,950 mAh
Processor	1.4 GHz Qualcomm S2 APQ8055	?	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230
RAM	512 MB	?	?	?	512 MB
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	8 megapixel	-	Yes	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	QVGA (320 x 240)	720p HD
Front Camera	1 megapixel	-	-	-	Yes
Weight	5.6 oz (159g)	4.83 oz (137g)	3.2 oz (91g)	5.78 oz (164g)	4.41 oz (125g)
Dimensions	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)	5.26" x 2.74" x 0.8" (134 x 70 x 20.3 mm)	3.6" x 1.8" x 0.9" (91 x 46 x 22.9 mm)	5.12" x 2.36" x 0.63" (130 x 60 x 16 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)
Form Factor	Slab	Slab	Clamshell	Swivel	Slab
Platform / OS	Windows	S60 (Symbian)	(proprietary)	(proprietary)	Windows
Network Bands	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	GPRS	1xRTT	HSPA 7.2	HSPA+ 21
Features
GPS / Location	n/a	n/a	Yes	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	Yes	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	Yes	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	Yes	n/a
Ringer ID	n/a	n/a	Yes	Yes	n/a
Voice Dialing	n/a	n/a	Yes	-	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	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
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	-	-	n/a
Instant Messaging	n/a	n/a	-	Yes	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	Yes	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	n/a	-	Yes	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	-	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	Yes	Yes	n/a
Voice Memo	n/a	n/a	Yes	-	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	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	Yes
	Nokia Lumia 900	Nokia N-Gage	Samsung SPH-A640	Sharp Sidekick LX 2009	Huawei W1
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 900	Nokia N-Gage	Samsung SPH-A640	Sharp Sidekick LX 2009	Huawei W1