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Phone	HTC EVO 4G	Samsung Delve R800	BlackBerry Curve 9370	Siemens CT66 / C66 / C65 / C71 / C70	Motorola V551 / V330 / V547 / V555 / V557
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.3" diag. 5 : 3	3" diag. 5 : 3	2.4" diag. 4 : 3	?	?
Display Resolution & Type	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 400 pixels (~154 ppi) LCD (TFT/TFD)	480 x 360 pixels (~246 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (Color)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	1,000 mAh	1,000 mAh	600 mAh	820 mAh
Processor	1 GHz Qualcomm Snapdragon S1 QSD8650	?	800 MHz Marvell	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	1 GB	? raw hardware	? raw hardware
Main Camera	8 megapixel	2 megapixel	5 megapixel	Yes	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QVGA (320 x 240)	VGA (640 x 480)	-	?
Front Camera	Yes	-	-	-	-
Weight	6 oz (170g)	3.63 oz (103g)	3.49 oz (99g)	3 oz (85g)	4.23 oz (120g)
Dimensions	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)	4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm)	4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)	4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	Android	(proprietary)	BlackBerry OS	(proprietary)	(proprietary)
Network Bands	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *	GSM: 850, 900, 1800, 1900 *
Data Technology	WiMAX	EVDO r0	EVDO rA	GPRS	EDGE
Features
GPS / Location	n/a	Yes	n/a	-	-
Accessibility
Adjustable Text Size	n/a	-	n/a	-	-
Hearing Aid Compatible	Yes	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	-
Multiple Languages	n/a	Yes	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	-	n/a	-	-
NFC	-	-	Yes	-	-
USB	Yes	Yes	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	Yes
Ringer ID	n/a	Yes	n/a	Yes	Yes
Voice Dialing	n/a	Yes	n/a	-	Yes
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	Yes	n/a	Yes	Yes
Custom Ringtones	n/a	Yes	n/a	Yes	Yes
Real-Music Ringers	n/a	Yes	n/a	-	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	-	Yes
WAP / Web Browser	n/a	Yes	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	-	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	Yes Resistive	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	Yes	n/a	-	Yes
EMS / Picture Messaging	n/a	-	n/a	Yes	Yes
Instant Messaging	n/a	-	n/a	-	Yes
MMS	n/a	Yes	n/a	Yes	Yes
Text Messaging Templates	n/a	Yes	n/a	Yes	Yes
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	Yes	n/a	-	-
Photo & Video
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	Yes
Calculator	n/a	Yes	n/a	Yes	Yes
Calendar	n/a	Yes	n/a	Yes	Yes
To-Do List	n/a	-	n/a	Yes	-
Voice Memo	n/a	Yes	n/a	Yes	Yes
Software
BREW	n/a	Yes	n/a	-	-
Games	n/a	Yes	n/a	Yes	Yes
Java (J2ME)	n/a	-	n/a	Yes	Yes
Voice
Call Screening	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	-	n/a	-	Yes
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC EVO 4G	Samsung Delve R800	BlackBerry Curve 9370	Siemens CT66 / C66 / C65 / C71 / C70	Motorola V551 / V330 / V547 / V555 / V557
	X >	< X >	< X >	< X >	< X

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


Phone	HTC EVO 4G	Samsung Delve R800	BlackBerry Curve 9370	Siemens CT66 / C66 / C65 / C71 / C70	Motorola V551 / V330 / V547 / V555 / V557