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Phone	Samsung SPH-i550	Nokia 6155i	HTC Snap S511 (CDMA)	Samsung Galaxy S II / SGH-i777	Samsung Transform
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	?	2.4" diag. 4 : 3	4.3" diag. 5 : 3	3.5" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	?	1,070 mAh	1,500 mAh	1,650 mAh	1,500 mAh
Processor	200 MHz Motorola MX-1	?	528 MHz Qualcomm S1 MSM7625	1.2 GHz Samsung Exynos dual-core	800 MHz Samsung S3C6410, Qualcomm QSC6085
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	1 megapixel	1 megapixel	2 megapixel	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	sub-QCIF (128 x 96)	CIF (352 x 288)	1080p HD	QVGA (320 x 240)
Front Camera	-	-	-	2 megapixel	Yes
Weight	?	4.44 oz (126g)	4.2 oz (119g)	4.3 oz (122g)	5.37 oz (152g)
Dimensions	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	3.41" x 1.79" x 1.02" (87 x 45 x 25.9 mm)	4.48" x 2.48" x 0.54" (114 x 63 x 13.7 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slide
Platform / OS	Palm OS	(proprietary)	Windows Mobile Standard	Android	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	1xRTT	EVDO rA	HSPA+ 21	EVDO rA
Features
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	Yes	Yes	-	-	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	-	Yes	Yes	Yes Micro-USB	Yes Micro-USB
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	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
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	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	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
DLNA	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
BREW	n/a	Yes *	n/a	n/a	n/a
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes *	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SPH-i550	Nokia 6155i	HTC Snap S511 (CDMA)	Samsung Galaxy S II / SGH-i777	Samsung Transform
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-i550	Nokia 6155i	HTC Snap S511 (CDMA)	Samsung Galaxy S II / SGH-i777	Samsung Transform