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Phone	Nokia N78	ZTE Prelude / Avail 2	LG Optimus Zone	Samsung SGH-T239	BlackBerry Pearl 3G 9100 / 9105
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	3.5" diag. 5 : 3	3.2" diag. 4 : 3	?	2.3" diag. 1 : 1
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels (~125 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	360 x 400 pixels (~238 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	1,200 mAh	1,500 mAh	1,540 mAh	?	1,150 mAh
Processor	369 MHz ARM 11	1 GHz Qualcomm Snapdragon MSM7225A	800 MHz Qualcomm Snapdragon S1 MSM7625A	?	?
RAM	?	512 MB	512 MB	?	?
Storage	? raw hardware	4 GB	4 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	2 megapixel	3 megapixel	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	VGA (640 x 480)	VGA (640 x 480)	-	?
Front Camera	-	-	-	-	-
Weight	3.59 oz (102g)	4.4 oz (125g)	3.88 oz (110g)	3.34 oz (95g)	3.3 oz (94g)
Dimensions	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	4.04" x 2.42" x 0.47" (103 x 61 x 11.9 mm)	3.78" x 1.87" x 0.68" (96 x 47 x 17.3 mm)	4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm)
Form Factor	Slab	Slab	Slab	Slide	Slab
Platform / OS	S60 (Symbian)	Android	Android	(proprietary)	BlackBerry OS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	GSM: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 3.6	HSPA 7.2	EVDO rA	GPRS	HSDPA 3.6
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 (very compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	-	-
Alerts
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes Micro-USB	Yes	Yes Micro-USB	-	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	n/a	-	n/a
Customization
Custom Graphics	n/a	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	-	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes *
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
EMS / Picture Messaging	n/a	n/a	n/a	Yes	n/a
Instant Messaging	n/a	n/a	n/a	Yes	n/a
MMS	n/a	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
FM Transmitter	n/a	n/a	n/a	-	n/a
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Stereo Speakers	Yes	-	-	-	-
Photo & Video
TV Output	Yes	-	-	-	-
Video Calling	n/a	n/a	n/a	-	n/a
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	n/a	Yes	n/a
Voice Memo	n/a	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	n/a	Yes	n/a
Voice
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia N78	ZTE Prelude / Avail 2	LG Optimus Zone	Samsung SGH-T239	BlackBerry Pearl 3G 9100 / 9105
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia N78	ZTE Prelude / Avail 2	LG Optimus Zone	Samsung SGH-T239	BlackBerry Pearl 3G 9100 / 9105