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

Phone	Palm Treo 650 (CDMA)	BlackBerry 8703e	Coolpad Quattro 4G	Samsung SCH-A990	BlackBerry Curve 8320
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4" diag. 5 : 3	?	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,100 mAh	1,600 mAh	1,000 mAh	1,100 mAh
Processor	312 MHz Intel XScale PXA270	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	512 MB	? raw hardware	? raw hardware
Main Camera	Yes	-	3 megapixel	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	VGA (640 x 480)	?	-
Front Camera	-	-	Yes	-	-
Weight	6.3 oz (179g)	4.7 oz (133g)	3.31 oz (94g)	4.4 oz (125g)	3.92 oz (111g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Palm OS	BlackBerry OS	Android	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	EVDO r0	LTE (Cat 3)	EVDO r0	EDGE
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	n/a	n/a	-	n/a
USB	-	Yes	Yes	Yes	Yes
Wi-Fi	-	-	Yes	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	Yes	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	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	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	-	-	Yes
Touch Screen	Yes	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	-	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	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	n/a	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
TV Output	-	-	-	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	-	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
BREW	n/a	n/a	n/a	Yes	n/a
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	Yes	Yes
	Palm Treo 650 (CDMA)	BlackBerry 8703e	Coolpad Quattro 4G	Samsung SCH-A990	BlackBerry Curve 8320
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	BlackBerry 8703e	Coolpad Quattro 4G	Samsung SCH-A990	BlackBerry Curve 8320