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Phone	Sony Ericsson K850	ZTE Prelude / Avail 2	Samsung SPH-i550	Nokia E66	LG Connect 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	2.2" diag. 4 : 3	3.5" diag. 5 : 3	?	2.4" diag. 4 : 3	4" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	1,500 mAh	?	1,000 mAh	1,540 mAh
Processor	?	1 GHz Qualcomm Snapdragon MSM7225A	200 MHz Motorola MX-1	?	1.2 GHz Qualcomm Snapdragon S3 MSM8660
RAM	?	512 MB	?	?	1 GB
Storage	? raw hardware	4 GB	? raw hardware	? raw hardware	4 GB
Main Camera	5 megapixel	2 megapixel	1 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	VGA (640 x 480)	?	QVGA (320 x 240)	720p HD
Front Camera	-	-	-	-	Yes
Weight	4.2 oz (119g)	4.4 oz (125g)	?	4.27 oz (121g)	4.83 oz (137g)
Dimensions	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	4.21" x 1.93" x 0.51" (107 x 49 x 13 mm)	4.59" x 2.45" x 0.46" (117 x 62 x 11.7 mm)
Form Factor	Slab	Slab	Clamshell	Slide	Slab
Platform / OS	(proprietary)	Android	Palm OS	S60 (Symbian)	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	HSDPA 3.6	HSPA 7.2	1xRTT	HSDPA 3.6	LTE (Cat 3)
Features
GPS / Location	-	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	-	-	Yes	Yes	-
USB	Yes	Yes	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	n/a	n/a
Instant Messaging	-	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	Yes	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	Yes	n/a	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Video Calling	Yes *	n/a	n/a	n/a	n/a
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Sony Ericsson K850	ZTE Prelude / Avail 2	Samsung SPH-i550	Nokia E66	LG Connect 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Sony Ericsson K850	ZTE Prelude / Avail 2	Samsung SPH-i550	Nokia E66	LG Connect 4G