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Specifications
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Phone	Palm Treo 650 (CDMA)	Samsung Knack U310	Samsung Jack i637	Sony Ericsson K850	LG Connect 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	2.4" diag. 4 : 3	2.2" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,000 mAh	1,480 mAh	?	1,540 mAh
Processor	312 MHz Intel XScale PXA270	?	?	?	1.2 GHz Qualcomm Snapdragon S3 MSM8660
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	Yes	-	3 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	?	?	720p HD
Front Camera	-	-	-	-	Yes
Weight	6.3 oz (179g)	3.63 oz (103g)	3.6 oz (102g)	4.2 oz (119g)	4.83 oz (137g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.59" x 2.45" x 0.46" (117 x 62 x 11.7 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Palm OS	(proprietary)	Windows Mobile Standard	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	1xRTT	-	HSDPA 3.6	HSDPA 3.6	LTE (Cat 3)
Features
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	Yes	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	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
USB	-	-	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	-	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
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	Yes	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	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	Yes	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	Yes	n/a
EMS / Picture Messaging	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	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	Yes	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	n/a	-	n/a	Yes *	n/a
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	Yes	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)	n/a	Yes	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 650 (CDMA)	Samsung Knack U310	Samsung Jack i637	Sony Ericsson K850	LG Connect 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Samsung Knack U310	Samsung Jack i637	Sony Ericsson K850	LG Connect 4G