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Phone	Ericsson T28 World	Motorola V710	BlackBerry Storm2 9550	Motorola Rival A455	BlackBerry Pearl 3G 9100 / 9105
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.3" diag. 4 : 3	2.2" diag. 4 : 3	2.3" diag. 1 : 1
Display Resolution & Type	?	176 x 220 pixels LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	500 mAh	?	1,400 mAh	940 mAh	1,150 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	1 megapixel	3 megapixel	2 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	QVGA (320 x 240)	?
Front Camera	-	-	-	-	-
Weight	3.14 oz (89g)	4.06 oz (115g)	5.64 oz (160g)	4.48 oz (127g)	3.3 oz (94g)
Dimensions	3.9" x 2" x 0.6" (99 x 51 x 15.2 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)
Form Factor	Flip	Clamshell	Slab	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	(proprietary)	BlackBerry OS
Network Bands	GSM: 900, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	-	1xRTT	EVDO rA	EVDO r0	HSDPA 3.6
Features
GPS / Location	-	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	-	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
USB	-	Yes *	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	-	Yes	n/a	Yes	n/a
Ringer ID	-	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Custom Graphics	-	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
WAP / Web Browser	-	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	-	Yes	n/a	-	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	Yes *
Touch Screen	-	-	Yes Capacitive	Yes	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	Yes *	n/a	Yes	n/a
EMS / Picture Messaging	-	Yes	n/a	Yes	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	-	Yes	n/a	Yes	n/a
Text Messaging Templates	-	Yes	n/a	Yes	n/a
Music
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	n/a	Yes	n/a
To-Do List	-	-	n/a	-	n/a
Voice Memo	-	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	Yes	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	-	-	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Ericsson T28 World	Motorola V710	BlackBerry Storm2 9550	Motorola Rival A455	BlackBerry Pearl 3G 9100 / 9105
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Ericsson T28 World	Motorola V710	BlackBerry Storm2 9550	Motorola Rival A455	BlackBerry Pearl 3G 9100 / 9105