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Phone	Samsung Galaxy S II / SGH-i777	Samsung SPH-A660 / VI660	Motorola Q9m / Q9c	Samsung Nexus S 4G	Samsung Trance SCH-U490
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	?	2.4" diag. 4 : 3	4" diag. 5 : 3	2.1" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~217 ppi) AMOLED	128 x 160 pixels LCD (Color)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,650 mAh	?	1,170 mAh	1,500 mAh	?
Processor	1.2 GHz Samsung Exynos dual-core	?	PXA27x (ARM920T)	1 GHz Samsung Hummingbird Cortex A8	?
RAM	?	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	8 megapixel	-	1 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	-	?	WVGA / 480p	-
Front Camera	2 megapixel	-	-	Yes	-
Weight	4.3 oz (122g)	3.54 oz (100g)	4.76 oz (135g)	4.62 oz (131g)	3.53 oz (100g)
Dimensions	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slide
Platform / OS	Android	(proprietary)	Windows Mobile Standard	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA+ 21	1xRTT	EVDO r0	WiMAX	1xRTT
Features
GPS / Location	n/a	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	Yes
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M3 (mostly compatible)	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	-
NFC	Yes	-	-	Yes	-
USB	Yes Micro-USB	-	Yes Mini-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 a,b,g,n)	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	-	Yes Capacitive	-
Memory
Memory Card Slot	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	n/a	Yes
Text Messaging Templates	n/a	-	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	-	n/a	n/a	Yes
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	Yes	-	-	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	Yes	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
BREW	n/a	-	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	Samsung Galaxy S II / SGH-i777	Samsung SPH-A660 / VI660	Motorola Q9m / Q9c	Samsung Nexus S 4G	Samsung Trance SCH-U490
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Galaxy S II / SGH-i777	Samsung SPH-A660 / VI660	Motorola Q9m / Q9c	Samsung Nexus S 4G	Samsung Trance SCH-U490