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Specifications
	X >	< X >	< X >	< X >	< X

Phone	BlackBerry 7750	Samsung Galaxy Ring / Prevail 2	BlackBerry Curve 3G 9330	Ericsson T66	ZTE Prelude / Avail 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	2.5" diag. 4 : 3	?	3.5" diag. 5 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	?	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,750 mAh	1,150 mAh	?	1,500 mAh
Processor	?	1.4 GHz Qualcomm Snapdragon S2 MSM8655	?	?	1 GHz Qualcomm Snapdragon MSM7225A
RAM	?	1 GB	?	?	512 MB
Storage	? raw hardware	4 GB	? raw hardware	? raw hardware	4 GB
Main Camera	-	5 megapixel	2 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	?	-	VGA (640 x 480)
Front Camera	-	1 megapixel	-	-	-
Weight	5.01 oz (142g)	3.4 oz (96g)	3.7 oz (105g)	2.08 oz (59g)	4.4 oz (125g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	BlackBerry OS	Android	BlackBerry OS	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 800, 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 1900
Data Technology	1xRTT	EVDO rA	EVDO r0	-	HSPA 7.2
Features
GPS / Location	n/a	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
USB	Yes	Yes	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	-	n/a
Ringer ID	n/a	n/a	n/a	-	n/a
Voice Dialing	n/a	n/a	n/a	-	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	-	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	-	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	Yes	n/a
Voice Memo	n/a	n/a	n/a	-	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
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
	BlackBerry 7750	Samsung Galaxy Ring / Prevail 2	BlackBerry Curve 3G 9330	Ericsson T66	ZTE Prelude / Avail 2
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung Galaxy Ring / Prevail 2	BlackBerry Curve 3G 9330	Ericsson T66	ZTE Prelude / Avail 2