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Phone	BlackBerry 7750	Samsung SCH-A570	BlackBerry Pearl 3G 9100 / 9105	Samsung SGH-A127	HTC SPV C550 (Hurricane)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.3" diag. 1 : 1	?	?
Display Resolution & Type	240 x 240 pixels LCD (Color)	128 x 160 pixels LCD (STN)	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	?	?	1,150 mAh	800 mAh	?
Processor	?	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	-	3 megapixel	Yes	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	-	?
Front Camera	-	-	-	-	-
Weight	5.01 oz (142g)	3.6 oz (102g)	3.3 oz (94g)	2.86 oz (81g)	3.77 oz (107g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm)	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)	3.39" x 1.67" x 0.76" (86 x 42 x 19.3 mm)	4.25" x 1.81" x 0.69" (108 x 46 x 17.5 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	(proprietary)	BlackBerry OS	(proprietary)	Windows Mobile Standard
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 1900	GSM: 900, 1800, 1900
Data Technology	1xRTT	1xRTT	HSDPA 3.6	GPRS	GPRS
Features
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M3 (mostly compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	-	-	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
USB	Yes	-	Yes Micro-USB	-	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	-	n/a	-	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	-	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	-	n/a
Data & Network
Data Tethering	n/a	-	n/a	-	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 *	-	-
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	-	n/a	-	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
BREW	n/a	Yes	n/a	-	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	n/a
Speaker Phone	-	-	Yes	Yes	Yes
	* Some versions only
	BlackBerry 7750	Samsung SCH-A570	BlackBerry Pearl 3G 9100 / 9105	Samsung SGH-A127	HTC SPV C550 (Hurricane)
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SCH-A570	BlackBerry Pearl 3G 9100 / 9105	Samsung SGH-A127	HTC SPV C550 (Hurricane)