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Phone	LG Tritan AX-840 / UX-840	HTC Touch Pro2 (CDMA)	Apple iPhone 4 (GSM)	Samsung Nexus S 4G	Samsung Chrono
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3" diag. 5 : 3	3.6" diag. 5 : 3	3.5" diag. 5 : 3	4" diag. 5 : 3	2" diag. 4 : 3
Display Resolution & Type	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	950 mAh	1,500 mAh	?	1,500 mAh	?
Processor	?	528 MHz MSM7600	Apple A4	1 GHz Samsung Hummingbird Cortex A8	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	32 GB *	16 GB	? raw hardware
Main Camera	3 megapixel	3 megapixel	5 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	720p HD	WVGA / 480p	-
Front Camera	-	-	Yes	Yes	-
Weight	5.03 oz (143g)	6.35 oz (180g)	4.8 oz (136g)	4.62 oz (131g)	3.14 oz (89g)
Dimensions	4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm)	4.57" x 2.33" x 0.68" (116 x 59 x 17.3 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	3.7" x 1.83" x 0.67" (94 x 46 x 17 mm)
Form Factor	Slide	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Windows Mobile Professional	iOS	Android	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1700, 1900 *
Data Technology	EVDO r0	EVDO rA	HSPA 7.2	WiMAX	1xRTT
Features
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	Yes	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	-	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes	Yes Resistive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	-	-	-
Messaging
Email Client	Yes	n/a	n/a	n/a	Yes
Instant Messaging	Yes	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	-
Photo & Video
TV Output	-	Yes	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	LG Tritan AX-840 / UX-840	HTC Touch Pro2 (CDMA)	Apple iPhone 4 (GSM)	Samsung Nexus S 4G	Samsung Chrono
	X >	< X >	< X >	< X >	< X

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


Phone	LG Tritan AX-840 / UX-840	HTC Touch Pro2 (CDMA)	Apple iPhone 4 (GSM)	Samsung Nexus S 4G	Samsung Chrono