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Phone	Samsung Jack i637	Sony Ericsson C905	Samsung Glyde U940	Samsung SCH-A530	Nokia E50
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	2.4" diag. 4 : 3	2.8" diag. 16.5 : 9	?	?
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,480 mAh	930 mAh	1,000 mAh	?	970 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	2 megapixel	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	QVGA (320 x 240)	-	QCIF (176 x 144)
Front Camera	-	-	-	-	-
Weight	3.6 oz (102g)	4.76 oz (135g)	4.2 oz (119g)	3 oz (85g)	3.67 oz (104g)
Dimensions	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	4.15" x 1.93" x 0.77" (105 x 49 x 19.6 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	3.18" x 1.67" x 0.9" (81 x 42 x 22.9 mm)	4.45" x 1.71" x 0.61" (113 x 43 x 15.5 mm)
Form Factor	Slab	Slide	Slide	Clamshell	Slab
Platform / OS	Windows Mobile Standard	(proprietary)	(proprietary)	(proprietary)	S60 (Symbian)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	HSDPA 3.6	EVDO r0	1xRTT	EDGE
Features
GPS / Location	n/a	Yes	Yes	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	Yes M4 (very compatible)	-	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
USB	Yes	Yes	Yes	-	Yes
Wi-Fi	Yes 802.11 b,g	Yes *	-	-	-
Contacts
Picture ID	n/a	Yes	Yes	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	Yes	Yes	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	Yes	Yes	-	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	-	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	Yes	-	-	n/a
Instant Messaging	n/a	Yes	-	-	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	Yes	Yes	-	n/a
Music
FM Radio	-	Yes	-	-	-
Music Player	n/a	Yes	Yes	-	n/a
Photo & Video
Video Calling	n/a	Yes *	-	-	n/a
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	Yes	n/a
Voice Memo	n/a	Yes	-	Yes	n/a
Software
BREW	n/a	-	Yes	Yes	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	-	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	Yes	n/a
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Jack i637	Sony Ericsson C905	Samsung Glyde U940	Samsung SCH-A530	Nokia E50
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Jack i637	Sony Ericsson C905	Samsung Glyde U940	Samsung SCH-A530	Nokia E50