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Phone	Samsung Intensity U450 / DoubleTake	BlackBerry Curve 9350	Nokia 3555	NEC 525	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.1" diag. 4 : 3	2.4" diag. 4 : 3	1.8" diag. 4 : 3	?	?
Display Resolution & Type	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	480 x 360 pixels (~246 ppi) LCD (TFT/TFD)	128 x 160 pixels (~114 ppi) LCD (TFT/TFD)	162 x 216 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	960 mAh	1,040 mAh	?	800 mAh	?
Processor	?	800 MHz Marvell	?	?	312 MHz Intel XScale PXA270
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	Yes	Yes	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	QCIF (176 x 144)	-	QVGA (320 x 240)
Front Camera	-	-	-	-	-
Weight	3.53 oz (100g)	3.49 oz (99g)	3.32 oz (94g)	4.03 oz (114g)	6.3 oz (179g)
Dimensions	4.25" x 2.08" x 0.65" (108 x 53 x 16.5 mm)	4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)	3.94" x 1.75" x 0.83" (100 x 44 x 21 mm)	4.12" x 1.88" x 1.06" (105 x 48 x 26.9 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slab
Platform / OS	(proprietary)	BlackBerry OS	(proprietary)	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900	CDMA: 800, 850, 1900 *	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	EVDO rA	WCDMA (UMTS)	GPRS	1xRTT
Features
GPS / Location	Yes	n/a	-	-	n/a
Accessibility
Adjustable Text Size	Yes	n/a	-	-	n/a
Hearing Aid Compatible	Yes	Yes	Yes *	-	-
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-	Yes Classic Audio
Infrared (IR)	-	-	-	Yes	Yes
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes	Yes	-
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	Yes	n/a	Yes	Yes	n/a
Ringer ID	Yes	n/a	Yes	Yes	n/a
Voice Dialing	Yes	n/a	Yes	Yes	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	Yes	n/a	Yes	-	n/a
Data & Network
Data Tethering	Yes	n/a	-	Yes	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	Yes
Touch Screen	-	-	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	Yes	n/a	-	Yes	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	Yes	n/a	Yes *	-	n/a
MMS	Yes	n/a	Yes	Yes	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	Yes	n/a	Yes	-	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	Yes	Yes	n/a
Voice Memo	Yes	n/a	Yes	Yes	n/a
Software
BREW	Yes	n/a	-	-	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	-	n/a	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Intensity U450 / DoubleTake	BlackBerry Curve 9350	Nokia 3555	NEC 525	Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Intensity U450 / DoubleTake	BlackBerry Curve 9350	Nokia 3555	NEC 525	Palm Treo 650 (CDMA)