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Phone	Samsung Knack U310	Sony Ericsson Xperia X10 mini (2010)	Samsung Jack i637	Nokia 3220	BlackBerry 8703e
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	2.6" diag. 4 : 3	2.4" diag. 4 : 3	?	?
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	?	1,480 mAh	760 mAh	1,100 mAh
Processor	?	600 MHz Qualcomm S1 MSM7227	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	5 megapixel	3 megapixel	Yes	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	?	?	-
Front Camera	-	-	-	-	-
Weight	3.63 oz (103g)	3.11 oz (88g)	3.6 oz (102g)	3.03 oz (86g)	4.7 oz (133g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	4.11" x 1.74" x 0.74" (104 x 44 x 18.8 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Standard	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1800, 1900 *	CDMA: 850, 1900
Data Technology	-	HSPA 7.2	HSDPA 3.6	EDGE	EVDO r0
Features
GPS / Location	Yes	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	Yes	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
USB	-	Yes Micro-USB	Yes	Yes	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 802.11 b,g	-	-
Contacts
Picture ID	-	n/a	n/a	Yes	n/a
Ringer ID	-	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	-	n/a	n/a	Yes	n/a
Custom Ringtones	-	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	-	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	-	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes Capacitive	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	-
Messaging
Email Client	-	n/a	n/a	Yes	n/a
EMS / Picture Messaging	Yes	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	-	n/a	n/a	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	-	n/a	n/a	-	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	-	n/a	n/a	Yes	n/a
Software
Games	-	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	Sony Ericsson Xperia X10 mini (2010)	Samsung Jack i637	Nokia 3220	BlackBerry 8703e
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Knack U310	Sony Ericsson Xperia X10 mini (2010)	Samsung Jack i637	Nokia 3220	BlackBerry 8703e