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Specifications
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Phone	Samsung SPH-i550	Motorola Droid Pro	Samsung Trance SCH-U490	Motorola Charm	Motorola i425
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	3.1" diag. 5 : 3	2.1" diag. 4 : 3	2.8" diag. 4 : 3	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	?	1,420 mAh	?	1,170 mAh	?
Processor	200 MHz Motorola MX-1	1 GHz TI OMAP3620	?	720 MHz TI OMAP3410	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	1 megapixel	3 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	WVGA / 480p	-	?	-
Front Camera	-	-	-	-	-
Weight	?	4.73 oz (134g)	3.53 oz (100g)	3.88 oz (110g)	3.9 oz (111g)
Dimensions	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	4.69" x 2.36" x 0.46" (119 x 60 x 11.7 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.9" x 1.9" x 0.47" (124 x 48 x 11.9 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Slab
Platform / OS	Palm OS	Android	(proprietary)	Android	(proprietary)
Network Bands	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	iDEN: 800
Data Technology	1xRTT	EVDO rA	1xRTT	HSDPA 3.6	-
Features
GPS / Location	n/a	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	Yes	n/a	Yes
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	-
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	n/a	-	n/a	-
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	Yes
Voice Dialing	n/a	n/a	Yes	n/a	Yes
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	Yes
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	n/a	-	n/a	-
Instant Messaging	n/a	n/a	-	n/a	-
MMS	n/a	n/a	Yes	n/a	Yes
Text Messaging Templates	n/a	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	n/a	n/a	Yes	n/a	-
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	-
Calculator	n/a	n/a	Yes	n/a	-
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	-	n/a	-
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
BREW	n/a	n/a	Yes	n/a	-
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	-	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	Yes
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SPH-i550	Motorola Droid Pro	Samsung Trance SCH-U490	Motorola Charm	Motorola i425
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-i550	Motorola Droid Pro	Samsung Trance SCH-U490	Motorola Charm	Motorola i425