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Phone	Siemens SL55	Samsung SPH-A580	Samsung Transform Ultra	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Epix i907
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	3.5" diag. 5 : 3	?	2.6" diag. 1 : 1
Display Resolution & Type	101 x 80 pixels LCD (STN)	128 x 160 pixels LCD (STN)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 320 pixels (~177 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	500 mAh	1,000 mAh	1,500 mAh	1,350 mAh	1,800 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	400 MHz Samsung	624 MHz PXA311 (ARM9)
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	-	3 megapixel	2 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	VGA (640 x 480)	CIF (352 x 288)	QVGA (320 x 240)
Front Camera	-	-	Yes	-	-
Weight	2.79 oz (79g)	3.41 oz (97g)	4.9 oz (139g)	6.21 oz (176g)	4.4 oz (125g)
Dimensions	3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm)	3.6" x 1.78" x 1" (91 x 45 x 25.4 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)	4.43" x 2.28" x 0.86" (113 x 58 x 21.8 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)
Form Factor	Slide	Clamshell	Slide	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Windows Mobile Professional	Windows Mobile Professional
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 800, 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	1xRTT	EVDO rA	HSDPA 1.8	HSDPA 3.6
Features
GPS / Location	-	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	-	-	Yes	-	Yes
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	Yes	-
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes	Yes Mini-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	Yes * 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
External Antenna Jack	-	-	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	Yes
Touch Screen	-	-	Yes	Yes	Yes
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	Yes	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	-	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	-	n/a	n/a	n/a
Photo & Video
Video Calling	-	-	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Siemens SL55	Samsung SPH-A580	Samsung Transform Ultra	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Epix i907
	X >	< X >	< X >	< X >	< X

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


Phone	Siemens SL55	Samsung SPH-A580	Samsung Transform Ultra	HTC TyTN / 8525 / JasJam (Hermes)	Samsung Epix i907