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Phone	Samsung SCH-U430	Apple iPhone 3G	BlackBerry 7100 / 7105	Samsung SGH-T239	Samsung SPH-i550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	3.5" diag. 5 : 3	?	?	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 260 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	?	?	?	?
Processor	?	?	?	?	200 MHz Motorola MX-1
RAM	?	?	?	?	?
Storage	? raw hardware	16 GB *	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	2 megapixel	-	Yes	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	-	?
Front Camera	-	-	-	-	-
Weight	3.21 oz (91g)	4.7 oz (133g)	4.3 oz (122g)	3.34 oz (95g)	?
Dimensions	3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm)	4.52" x 2.44" x 0.49" (115 x 62 x 12.4 mm)	4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm)	3.78" x 1.87" x 0.68" (96 x 47 x 17.3 mm)	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)
Form Factor	Clamshell	Slab	Slab	Slide	Clamshell
Platform / OS	(proprietary)	iOS	BlackBerry OS	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	GSM: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	1xRTT	HSDPA 3.6	GPRS	GPRS	1xRTT
Features
GPS / Location	Yes	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	Yes	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes	-	-	Yes	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
USB	-	Yes	Yes	-	-
Wi-Fi	-	Yes 802.11 b,g	-	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	-	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes	-	-	Yes
Memory
Memory Card Slot	-	-	-	-	Yes
Messaging
Email Client	Yes	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	n/a	n/a	Yes	n/a
Instant Messaging	Yes	n/a	n/a	Yes	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	-	n/a	n/a	-	n/a
Photo & Video
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	Yes	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes	n/a	n/a	-	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Samsung SCH-U430	Apple iPhone 3G	BlackBerry 7100 / 7105	Samsung SGH-T239	Samsung SPH-i550
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-U430	Apple iPhone 3G	BlackBerry 7100 / 7105	Samsung SGH-T239	Samsung SPH-i550