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Specifications
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Phone	Samsung SCH-A310	Motorola Citrus	Palm Treo 650 (CDMA)	Nokia Lumia 810	Nokia E66
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3" diag. 4 : 3	?	4.3" diag. 5 : 3	2.4" diag. 4 : 3
Display Resolution & Type	128 x 128 pixels LCD (Grayscale)	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	1,150 mAh	?	1,800 mAh	1,000 mAh
Processor	?	?	312 MHz Intel XScale PXA270	1.5 GHz Qualcomm Snapdragon	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	-	3 megapixel	Yes	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	CIF (352 x 288)	QVGA (320 x 240)	1080p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	3.2 oz (91g)	3.88 oz (110g)	6.3 oz (179g)	5.11 oz (145g)	4.27 oz (121g)
Dimensions	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	Android	Palm OS	Windows	S60 (Symbian)
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	1xRTT	EVDO r0	1xRTT	HSPA+ 42	HSDPA 3.6
Features
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M3, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	-	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
NFC	-	-	-	Yes	-
USB	Yes	Yes Micro-USB	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	-	n/a	n/a	n/a	n/a
Ringer ID	-	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	-	n/a	n/a	n/a	n/a
Custom Ringtones	-	n/a	n/a	n/a	n/a
Real-Music Ringers	-	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a	n/a
MMS	-	n/a	n/a	n/a	n/a
Text Messaging Templates	-	n/a	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	n/a	n/a	n/a
Photo & Video
Video Calling	-	n/a	n/a	n/a	n/a
Power
Wireless Charging	-	-	-	Yes	-
Productivity
Alarm	-	n/a	n/a	n/a	n/a
Calculator	-	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	-	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	-	n/a	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A310	Motorola Citrus	Palm Treo 650 (CDMA)	Nokia Lumia 810	Nokia E66
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A310	Motorola Citrus	Palm Treo 650 (CDMA)	Nokia Lumia 810	Nokia E66