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Phone	Nokia Lumia 521 / 520	Nokia E90	Samsung SGH-A657	Palm Treo 600 (CDMA)	Alcatel Idol
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	?	?	4.7" diag. 16 : 9
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	800 x 352 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	540 x 960 pixels (~234 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,430 mAh	1,500 mAh	1,420 mAh	?	1,800 mAh
Processor	1 GHz Qualcomm Snapdragon S4 MSM8270	332 MHz ARM 11	?	?	1 GHz MediaTek 6577
RAM	512 MB	?	?	?	512 MB
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	5 megapixel	3 megapixel	-	Yes	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	VGA (640 x 480)	-	-	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	4.39 oz (124g)	7.41 oz (210g)	4.34 oz (123g)	6.2 oz (176g)	3.88 oz (110g)
Dimensions	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm)	4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	5.24" x 2.66" x 0.31" (133 x 67 x 7.9 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Windows	S60 (Symbian)	(proprietary)	Palm OS	Android
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA+ 21	HSDPA 3.6	HSDPA 3.6	1xRTT	HSPA 7.2
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	n/a	n/a	Yes	n/a	n/a
Ruggedized	-	-	Yes	-	-
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	Yes	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes Mini-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	Yes	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes Capacitive	-	-	Yes	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	Yes	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	n/a	n/a	-	n/a	n/a
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	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	Yes
	* Some versions only
	Nokia Lumia 521 / 520	Nokia E90	Samsung SGH-A657	Palm Treo 600 (CDMA)	Alcatel Idol
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 521 / 520	Nokia E90	Samsung SGH-A657	Palm Treo 600 (CDMA)	Alcatel Idol