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Phone	Samsung SCH-A990	Huawei W1	Samsung SCH-A610	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Galaxy S II, Epic 4G Touch
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	?	4.5" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~206 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	1,950 mAh	1,300 mAh	1,350 mAh	1,800 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?	400 MHz Samsung	1.2 GHz Samsung Exynos C210 dual-core
RAM	?	512 MB	?	?	?
Storage	? raw hardware	4 GB	? raw hardware	? raw hardware	16 GB
Main Camera	3 megapixel	5 megapixel	Yes	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	CIF (352 x 288)	1080p HD
Front Camera	-	Yes	-	-	2 megapixel
Weight	4.4 oz (125g)	4.41 oz (125g)	4.23 oz (120g)	6.21 oz (176g)	4.55 oz (129g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	4.43" x 2.28" x 0.86" (113 x 58 x 21.8 mm)	5.1" x 2.7" x 0.38" (130 x 69 x 9.6 mm)
Form Factor	Clamshell	Slab	Clamshell	Slide	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	Windows Mobile Professional	Android
Network Bands	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 800, 850, 1900 *
Data Technology	EVDO r0	HSPA+ 21	1xRTT	HSDPA 1.8	WiMAX
Features
Flashlight	Yes	-	-	-	-
GPS / Location	Yes	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	-	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	-	Yes Mini-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes * 802.11 b,g	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	Yes	n/a	n/a
External Antenna Jack	-	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	-	Yes	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	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	Yes	n/a	-	n/a	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	Yes	-	-	-	Yes
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	Yes	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Samsung SCH-A990	Huawei W1	Samsung SCH-A610	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Galaxy S II, Epic 4G Touch
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	Huawei W1	Samsung SCH-A610	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Galaxy S II, Epic 4G Touch