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Phone	Samsung SCH-A990	HTC Droid Eris	HTC Imagio	BlackBerry Storm2 9550	Samsung Knack U310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.2" diag. 5 : 3	3.6" diag. 5 : 3	3.3" diag. 4 : 3	2.2" diag. 4 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	1,300 mAh	1,500 mAh	1,400 mAh	1,000 mAh
Processor	?	528 MHz MSM7600	528 MHz MSM7600	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	5 megapixel	5 megapixel	3 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	CIF (352 x 288)	VGA (640 x 480)	?	-
Front Camera	-	-	-	-	-
Weight	4.4 oz (125g)	4.43 oz (126g)	5.25 oz (149g)	5.64 oz (160g)	3.63 oz (103g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	4.65" x 2.43" x 0.55" (118 x 62 x 14 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Windows Mobile Professional	BlackBerry OS	(proprietary)
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO r0	EVDO rA	EVDO rA	EVDO rA	-
Features
Flashlight	Yes	-	-	-	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	Yes
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
USB	Yes	Yes Mini-USB	Yes Mini-USB	Yes	-
Wi-Fi	-	Yes 802.11 b,g	Yes 802.11 b,g	Yes 802.11 b,g	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	-
Ringer ID	Yes	n/a	n/a	n/a	-
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	-
Custom Ringtones	Yes	n/a	n/a	n/a	-
Real-Music Ringers	Yes	n/a	n/a	n/a	-
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	-
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes Resistive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	-
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	-
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Stereo Speakers	Yes	-	-	-	-
Photo & Video
TV Output	Yes	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	-
Software
BREW	Yes	n/a	n/a	n/a	-
Games	Yes	n/a	n/a	n/a	-
Java (J2ME)	-	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SCH-A990	HTC Droid Eris	HTC Imagio	BlackBerry Storm2 9550	Samsung Knack U310
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	HTC Droid Eris	HTC Imagio	BlackBerry Storm2 9550	Samsung Knack U310