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Phone	Nokia 2651	Motorola Rival A455	BlackBerry Curve 8330	Motorola ROKR E2	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	?	?	?
Display Resolution & Type	128 x 128 pixels LCD (STN)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	?	?	?	?
Battery	760 mAh	940 mAh	1,150 mAh	?	?
Processor	?	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	2 megapixel	2 megapixel	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	?	?	-
Front Camera	-	-	-	-	-
Weight	3.4 oz (96g)	4.48 oz (127g)	4.02 oz (114g)	3.77 oz (107g)	5.01 oz (142g)
Dimensions	3.35" x 1.81" x 0.9" (85 x 46 x 22.9 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.2" x 2.4" x 0.6" (107 x 61 x 15.2 mm)	4.17" x 1.95" x 0.71" (106 x 50 x 18 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Clamshell	Slide	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	(proprietary)	BlackBerry OS
Network Bands	GSM: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900
Data Technology	GPRS	EVDO r0	EVDO r0	EDGE	1xRTT
Features
GPS / Location	-	Yes	n/a	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes	Yes	-	-
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
USB	-	Yes Micro-USB	Yes Mini-USB	Yes	Yes
Contacts
Picture ID	-	Yes	n/a	Yes	n/a
Ringer ID	-	Yes	n/a	Yes	n/a
Voice Dialing	-	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	-	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	-	n/a	Yes	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	Yes
Touch Screen	-	Yes	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	Yes	Yes	n/a	Yes	n/a
EMS / Picture Messaging	Yes	Yes	n/a	-	n/a
Instant Messaging	-	Yes	n/a	-	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	-	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	-	Yes	n/a	Yes	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	-	n/a	Yes	n/a
Voice Memo	-	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	-
	* Some versions only
	Nokia 2651	Motorola Rival A455	BlackBerry Curve 8330	Motorola ROKR E2	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 2651	Motorola Rival A455	BlackBerry Curve 8330	Motorola ROKR E2	BlackBerry 7750