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Phone	BlackBerry 7750	BlackBerry Curve 3G 9330	Samsung SPH-I300	Samsung Galaxy Ring / Prevail 2	Motorola Rival A455
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.5" diag. 4 : 3	?	4" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	160 x 240 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	?	1,150 mAh	?	1,750 mAh	940 mAh
Processor	?	?	?	1.4 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	-	2 megapixel	-	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	-	720p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	5.01 oz (142g)	3.7 oz (105g)	6 oz (170g)	3.4 oz (96g)	4.48 oz (127g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	4.9" x 2.28" x 0.82" (124 x 58 x 20.8 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)
Form Factor	Slab	Slab	Slab	Slab	Slide
Platform / OS	BlackBerry OS	BlackBerry OS	Palm OS	Android	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 1900 AMPS: 850	CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	EVDO r0	-	EVDO rA	EVDO r0
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
USB	Yes	Yes Micro-USB	-	Yes	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	Yes
Touch Screen	-	-	Yes	Yes Capacitive	Yes
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	Yes
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	Yes
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	n/a	n/a	n/a	n/a	Yes
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	BlackBerry 7750	BlackBerry Curve 3G 9330	Samsung SPH-I300	Samsung Galaxy Ring / Prevail 2	Motorola Rival A455
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	BlackBerry Curve 3G 9330	Samsung SPH-I300	Samsung Galaxy Ring / Prevail 2	Motorola Rival A455