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Phone	Samsung DoubleTime	BlackBerry Curve 3G 9330	Nokia N81	LG Connect 4G	Samsung Byline R310
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	2.5" diag. 4 : 3	2.4" diag. 4 : 3	4" diag. 5 : 3	1.8" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels (~116 ppi) LCD (STN)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,200 mAh	1,150 mAh	1,050 mAh	1,540 mAh	800 mAh
Processor	600 MHz Qualcomm	?	369 MHz ARM 11	1.2 GHz Qualcomm Snapdragon S3 MSM8660	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	8 GB *	4 GB	? raw hardware
Main Camera	3 megapixel	2 megapixel	2 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	VGA (640 x 480)	720p HD	-
Front Camera	-	-	-	Yes	-
Weight	5.22 oz (148g)	3.7 oz (105g)	4.94 oz (140g)	4.83 oz (137g)	3.25 oz (92g)
Dimensions	4.45" x 2.44" x 0.59" (113 x 62 x 15 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	4.59" x 2.45" x 0.46" (117 x 62 x 11.7 mm)	3.5" x 1.7" x 0.77" (89 x 43 x 19.6 mm)
Form Factor	Clamshell	Slab	Slide	Slab	Clamshell
Platform / OS	Android	BlackBerry OS	S60 (Symbian)	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	CDMA: 850, 1700, 1900
Data Technology	HSPA 7.2	EVDO r0	EDGE	LTE (Cat 3)	1xRTT
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M4 (very compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	Yes	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	-
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	-
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	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	-
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	n/a	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	n/a	n/a	-
Stereo Speakers	-	-	Yes	-	-
Photo & Video
DLNA	-	-	-	Yes	-
Video Calling	n/a	n/a	n/a	n/a	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	-
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	-
Voice
Push-To-Talk	-	-	Yes *	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung DoubleTime	BlackBerry Curve 3G 9330	Nokia N81	LG Connect 4G	Samsung Byline R310
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung DoubleTime	BlackBerry Curve 3G 9330	Nokia N81	LG Connect 4G	Samsung Byline R310