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Phone	Samsung Byline R310	ZTE Aspect	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Palm Pre Plus (CDMA)	Palm Treo 750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	2.4" diag. 4 : 3	?	3.1" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (STN)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	800 mAh	1,000 mAh	1,490 mAh	?	1,200 mAh
Processor	?	230 MHz Qualcomm QSC6270	400 MHz Intel XScale	TI OMAP 3430	300 MHz Samsung
RAM	?	128 MB	?	?	?
Storage	? raw hardware	256 MB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	2 megapixel	Yes	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	QCIF (176 x 144)	?	CIF (352 x 288)
Front Camera	-	-	-	-	-
Weight	3.25 oz (92g)	3.7 oz (105g)	7.41 oz (210g)	4.89 oz (139g)	5.4 oz (153g)
Dimensions	3.5" x 1.7" x 0.77" (89 x 43 x 19.6 mm)	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	4.92" x 2.83" x 0.75" (125 x 72 x 19.1 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4.37" x 2.28" x 0.87" (111 x 58 x 22.1 mm)
Form Factor	Clamshell	Slab	Slide	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Windows Mobile Professional	webOS	Windows Mobile Professional
Network Bands	CDMA: 850, 1700, 1900	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	WCDMA (UMTS)	GPRS	EVDO rA	WCDMA (UMTS)
Features
GPS / Location	Yes	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4 (very compatible)	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes	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	-	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	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	-	-	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	Yes
Touch Screen	-	-	Yes	Yes Capacitive	Yes Resistive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	Yes	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	Yes	n/a	n/a	n/a
Power
Wireless Charging	-	-	-	Yes	-
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	-	-	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	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Byline R310	ZTE Aspect	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Palm Pre Plus (CDMA)	Palm Treo 750
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Byline R310	ZTE Aspect	Siemens SX66 / MDA III / PDA2K (HTC Blue Angel)	Palm Pre Plus (CDMA)	Palm Treo 750