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Phone	Huawei W1	Samsung MM-A900 / SPH-A900 / Ace	HTC Touch (CDMA) / XV6900	Samsung SCH-A990	Siemens CT66 / C66 / C65 / C71 / C70
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	?	2.8" diag. 4 : 3	?	?
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	130 x 130 pixels LCD (Color)
Display Refresh	?	?	?	?	?
Battery	1,950 mAh	?	1,100 mAh	1,000 mAh	600 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?	400 MHz Qualcomm MSM7500	?	?
RAM	512 MB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	2 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	?	?	-
Front Camera	Yes	-	-	-	-
Weight	4.41 oz (125g)	3.9 oz (111g)	3.99 oz (113g)	4.4 oz (125g)	3 oz (85g)
Dimensions	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)	3.97" x 2.34" x 0.55" (101 x 59 x 14 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.1" x 1.8" x 0.7" (104 x 46 x 17.8 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Windows	(proprietary)	Windows Mobile Professional	(proprietary)	(proprietary)
Network Bands	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 1800, 1900 *
Data Technology	HSPA+ 21	EVDO r0	EVDO rA	EVDO r0	GPRS
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	Yes	-
Accessibility
Adjustable Text Size	n/a	-	n/a	-	-
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
USB	Yes Micro-USB	Yes	Yes	Yes	Yes
Wi-Fi	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	-	n/a	Yes	-
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	-
External Antenna Jack	n/a	-	n/a	-	-
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	-	-
Touch Screen	Yes Capacitive	-	Yes	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	-	n/a	-	-
EMS / Picture Messaging	n/a	-	n/a	Yes	Yes
Instant Messaging	n/a	-	n/a	-	-
MMS	n/a	-	n/a	Yes	Yes
Text Messaging Templates	n/a	Yes	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	Yes	n/a	Yes	-
Stereo Speakers	-	-	-	Yes	-
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	Yes	n/a	-	Yes
Voice Memo	n/a	Yes	n/a	Yes	Yes
Software
BREW	n/a	-	n/a	Yes	-
Games	n/a	Yes	n/a	Yes	Yes
Java (J2ME)	n/a	Yes	n/a	-	Yes
Voice
Call Screening	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	-
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Huawei W1	Samsung MM-A900 / SPH-A900 / Ace	HTC Touch (CDMA) / XV6900	Samsung SCH-A990	Siemens CT66 / C66 / C65 / C71 / C70
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Huawei W1	Samsung MM-A900 / SPH-A900 / Ace	HTC Touch (CDMA) / XV6900	Samsung SCH-A990	Siemens CT66 / C66 / C65 / C71 / C70