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Specifications
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Phone	Motorola Backflip	Samsung Knack U310	Samsung SPH-A660 / VI660	LG Revolution	Samsung Delve R800
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	2.2" diag. 4 : 3	?	4.3" diag. 5 : 3	3" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (Color)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 400 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	1,400 mAh	1,000 mAh	?	1,500 mAh	1,000 mAh
Processor	528 MHz Qualcomm MSM7201a	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	5 megapixel	-	-	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	-	-	720p HD	QVGA (320 x 240)
Front Camera	-	-	-	1 megapixel	-
Weight	4.7 oz (133g)	3.63 oz (103g)	3.54 oz (100g)	6.08 oz (172g)	3.63 oz (103g)
Dimensions	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	4.55" x 2.15" x 0.49" (116 x 55 x 12.4 mm)
Form Factor	Clamshell	Clamshell	Clamshell	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	Android	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	-	1xRTT	LTE (Cat 3)	EVDO r0
Features
GPS / Location	n/a	Yes	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	Yes	-	n/a	-
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Mobile Hotspot	n/a	-	-	n/a	-
USB	Yes Micro-USB	-	-	Yes	Yes
Wi-Fi	Yes 802.11 b,g	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	-	Yes	n/a	Yes
Ringer ID	n/a	-	Yes	n/a	Yes
Voice Dialing	n/a	Yes	Yes	n/a	Yes
Customization
Custom Graphics	n/a	-	Yes	n/a	Yes
Custom Ringtones	n/a	-	Yes	n/a	Yes
Real-Music Ringers	n/a	-	-	n/a	Yes
Data & Network
Data Tethering	n/a	-	Yes	n/a	Yes
WAP / Web Browser	n/a	-	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	Yes
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
EMS / Picture Messaging	n/a	Yes	-	n/a	-
Instant Messaging	n/a	-	-	n/a	-
MMS	n/a	-	-	n/a	Yes
Text Messaging Templates	n/a	-	-	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	-	-	n/a	Yes
Photo & Video
DLNA	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Video Calling	n/a	-	-	n/a	-
Productivity
Alarm	n/a	Yes	Yes	n/a	Yes
Calculator	n/a	Yes	Yes	n/a	Yes
Calendar	n/a	Yes	Yes	n/a	Yes
To-Do List	n/a	-	Yes	n/a	-
Voice Memo	n/a	-	Yes	n/a	Yes
Software
BREW	n/a	-	-	n/a	Yes
Games	n/a	-	Yes	n/a	Yes
Java (J2ME)	n/a	-	Yes	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	Yes	Yes	n/a	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	Motorola Backflip	Samsung Knack U310	Samsung SPH-A660 / VI660	LG Revolution	Samsung Delve R800
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Backflip	Samsung Knack U310	Samsung SPH-A660 / VI660	LG Revolution	Samsung Delve R800