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Phone	ZTE Valet	Samsung SGH-X475	Samsung Zeal / Alias 2 SCH-U750	Samsung SPH-N400	Nokia N81
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	2.6" diag. 4 : 3	?	2.4" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	?	880 mAh	?	1,050 mAh
Processor	1 GHz Qualcomm Snapdragon S1 MSM7625A	?	?	?	369 MHz ARM 11
RAM	512 MB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	8 GB *
Main Camera	3 megapixel	-	2 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	-	QCIF (176 x 144)	-	VGA (640 x 480)
Front Camera	-	-	-	-	-
Weight	4.57 oz (130g)	3 oz (85g)	4.34 oz (123g)	4 oz (113g)	4.94 oz (140g)
Dimensions	4.65" x 2.46" x 0.48" (118 x 62 x 12.2 mm)	3.45" x 1.81" x 0.9" (88 x 46 x 22.9 mm)	4.01" x 2.04" x 0.67" (102 x 52 x 17 mm)	4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)
Form Factor	Slab	Clamshell	Clamshell	Flip	Slide
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	S60 (Symbian)
Network Bands	CDMA: 850, 1900	GSM: 900, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	GPRS	EVDO r0	1xRTT	EDGE
Features
GPS / Location	n/a	-	Yes	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	Yes	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	-	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	Yes	Yes	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	-	Yes	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	Yes	-	n/a
Data & Network
Data Tethering	n/a	-	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	-	Yes	-	Yes *
Messaging
Email Client	n/a	-	Yes	-	n/a
EMS / Picture Messaging	n/a	Yes	-	-	n/a
Instant Messaging	n/a	-	Yes	-	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	Yes	Yes	-	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	Yes	-	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
Video Calling	n/a	-	-	-	n/a
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	Yes	n/a
Voice Memo	n/a	Yes	Yes	-	n/a
Software
BREW	n/a	-	Yes	-	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	Yes	Yes	n/a
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	ZTE Valet	Samsung SGH-X475	Samsung Zeal / Alias 2 SCH-U750	Samsung SPH-N400	Nokia N81
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Valet	Samsung SGH-X475	Samsung Zeal / Alias 2 SCH-U750	Samsung SPH-N400	Nokia N81