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Specifications
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Phone	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	Ericsson T66	Sony Ericsson T237 / T290a	Palm Treo Pro (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	6.1" diag. 19.5 : 9	3.5" diag. 5 : 3	?	?	?
Display Resolution & Type	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	?	101 x 80 pixels LCD (STN)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	3,500 mAh	1,750 mAh	?	?	1,500 mAh
Processor	2 GHz MediaTek Helio P22 (MT6762)	1 GHz Qualcomm MSM8655	?	?	400 MHz MSM7201
RAM	3 GB *	768 MB	?	?	?
Storage	32 GB	4 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	13 megapixel	3 megapixel	-	-	2 megapixel
Wide Camera	5 megapixel	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	1080p HD	VGA (640 x 480)	-	-	?
Front Camera	8 megapixel	1 megapixel	-	-	-
Weight	6.1 oz (173g)	4.2 oz (119g)	2.08 oz (59g)	2.79 oz (79g)	4.69 oz (133g)
Dimensions	6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	4" x 1.71" x 0.71" (102 x 43 x 18 mm)	4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	Android	Android	(proprietary)	(proprietary)	Windows Mobile Professional
Network Bands	4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 *	CDMA: 1900	GSM: 900, 1800, 1900	GSM: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 6)	EVDO rA	-	GPRS	HSDPA 3.6
Features
Fingerprint Reader	Yes stand-alone	-	-	-	-
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	-	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
USB	Yes USB Type C	Yes	-	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	-	-	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	n/a	n/a	-	Yes	n/a
Customization
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	-	n/a
Data & Network
Data Tethering	n/a	n/a	-	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	-	-	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	Yes Resistive
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	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	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	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	Yes	n/a
Voice
HD Voice	Yes	-	-	-	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	Ericsson T66	Sony Ericsson T237 / T290a	Palm Treo Pro (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	Ericsson T66	Sony Ericsson T237 / T290a	Palm Treo Pro (GSM)