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Phone	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Chrono	ZTE Z998 / Unico LTE	Nokia 3600	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.6" diag. 5 : 3	2" diag. 4 : 3	4.5" diag. 16 : 9	?	?
Display Resolution & Type	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	176 x 208 pixels LCD (Color)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	1,500 mAh	?	2,070 mAh	?	1,000 mAh
Processor	528 MHz Qualcomm MSM7200A	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	Yes	5 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	720p HD	?	?
Front Camera	-	-	1 megapixel	-	-
Weight	6.61 oz (187g)	3.14 oz (89g)	4.8 oz (136g)	4.59 oz (130g)	4.4 oz (125g)
Dimensions	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	3.7" x 1.83" x 0.67" (94 x 46 x 17 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	5.1" x 2.24" x 1" (130 x 57 x 25.4 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Clamshell
Platform / OS	Windows Mobile Professional	(proprietary)	Android	S60 (Symbian)	(proprietary)
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1700, 1900 *	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	1xRTT	LTE (Cat 3)	GPRS	EVDO r0
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	-
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	n/a	-	n/a	n/a	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	-	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	-	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	-	Yes
Stylus	Yes	-	-	-	-
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	n/a	n/a	-
EMS / Picture Messaging	n/a	-	n/a	n/a	Yes
Instant Messaging	n/a	-	n/a	n/a	-
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	-	n/a	n/a	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	Yes	-	-	-	Yes
Video Calling	n/a	-	n/a	n/a	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	-	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
BREW	n/a	Yes	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	-	n/a	n/a	-
Voice
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Chrono	ZTE Z998 / Unico LTE	Nokia 3600	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Touch Pro2 (GSM) / Tilt 2	Samsung Chrono	ZTE Z998 / Unico LTE	Nokia 3600	Samsung SCH-A990