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Specifications
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Phone	Motorola Rival A455	BlackBerry 7750	BlackBerry Curve 8300	Palm Treo 600 (CDMA)	ZTE Engage LT / Engage MT
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	?	?	4" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	320 x 240 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	940 mAh	?	?	?	1,900 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	2 megapixel	-	2 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	-	-	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	4.48 oz (127g)	5.01 oz (142g)	3.92 oz (111g)	6.2 oz (176g)	5.09 oz (144g)
Dimensions	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.2" x 2.36" x 0.61" (107 x 60 x 15.5 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	BlackBerry OS	BlackBerry OS	Palm OS	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900
Data Technology	EVDO r0	1xRTT	EDGE	1xRTT	EVDO rA
Features
GPS / Location	Yes	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	-	-	-
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	-	Yes
Infrared (IR)	-	-	-	Yes	-
USB	Yes Micro-USB	Yes	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
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	Yes	-
Touch Screen	Yes	-	-	Yes	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a	n/a
Instant Messaging	Yes	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	Yes	n/a	n/a	n/a	n/a
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	-	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
BREW	Yes	n/a	n/a	n/a	n/a
Games	Yes	n/a	n/a	n/a	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
Push-To-Talk	-	-	Yes *	-	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Motorola Rival A455	BlackBerry 7750	BlackBerry Curve 8300	Palm Treo 600 (CDMA)	ZTE Engage LT / Engage MT
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Rival A455	BlackBerry 7750	BlackBerry Curve 8300	Palm Treo 600 (CDMA)	ZTE Engage LT / Engage MT