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Specifications
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Phone	Motorola Droid 4	Samsung SPH-A660 / VI660	Motorola Citrus	Sony Ericsson K850	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 16 : 9	?	3" diag. 4 : 3	2.2" diag. 4 : 3	?
Display Resolution & Type	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	240 x 320 pixels (~133 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,785 mAh	?	1,150 mAh	?	?
Processor	?	?	?	?	?
RAM	1 GB	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	-	3 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	CIF (352 x 288)	?	-
Front Camera	1 megapixel	-	-	-	-
Weight	6.31 oz (179g)	3.54 oz (100g)	3.88 oz (110g)	4.2 oz (119g)	6.2 oz (176g)
Dimensions	5" x 2.65" x 0.5" (127 x 67 x 12.7 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.09" x 2.32" x 0.59" (104 x 59 x 15 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slide	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Android	(proprietary)	Palm OS
Network Bands	4G LTE: 13 CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	1xRTT	EVDO r0	HSDPA 3.6	1xRTT
Features
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	-	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Micro-USB	-	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	-	n/a	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	-	n/a	Yes	n/a
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	-
Video Calling	n/a	-	n/a	Yes *	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	Yes	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Motorola Droid 4	Samsung SPH-A660 / VI660	Motorola Citrus	Sony Ericsson K850	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Droid 4	Samsung SPH-A660 / VI660	Motorola Citrus	Sony Ericsson K850	Palm Treo 600 (CDMA)