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Phone	Samsung Knack U310	Samsung SGH-A727	LG Revolution	Visible Midnight	BlackBerry 8830
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	?	4.3" diag. 5 : 3	6.5" diag. 20 : 9	?
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	220 x 176 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,000 mAh	?	1,500 mAh	4,000 mAh	1,400 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	MediaTek Helio P22 (MT6762)	?
RAM	?	?	?	3 GB	?
Storage	? raw hardware	? raw hardware	16 GB	32 GB	? raw hardware
Main Camera	-	1 megapixel	5 megapixel	13 megapixel	-
Wide Camera	-	-	-	5 megapixel	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	720p HD	1080p HD	-
Front Camera	-	-	1 megapixel	8 megapixel	-
Weight	3.63 oz (103g)	2.82 oz (80g)	6.08 oz (172g)	6.35 oz (180g)	4.6 oz (130g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm)	5.03" x 2.64" x 0.52" (128 x 67 x 13.2 mm)	6.53" x 3" x 0.34" (166 x 76 x 8.6 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	BlackBerry OS
Network Bands	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 13 CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 13, 66	CDMA: 850, 1900 GSM: 900, 1800 *
Data Technology	-	HSDPA 1.8	LTE (Cat 3)	LTE (Cat 4)	EVDO r0
Features
Fingerprint Reader	-	-	-	Yes stand-alone	-
Flashlight	-	-	-	Yes	-
GPS / Location	Yes	-	n/a	n/a	n/a
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 M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes	Yes	Yes USB Type C	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	-
Contacts
Picture ID	-	Yes	n/a	n/a	n/a
Ringer ID	-	Yes	n/a	n/a	n/a
Voice Dialing	Yes	-	n/a	n/a	n/a
Customization
Custom Graphics	-	Yes	n/a	n/a	n/a
Custom Ringtones	-	Yes	n/a	n/a	n/a
Real-Music Ringers	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	-	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	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	-	Yes	n/a	n/a	n/a
EMS / Picture Messaging	Yes	-	n/a	n/a	n/a
Instant Messaging	-	Yes	n/a	n/a	n/a
MMS	-	Yes	n/a	n/a	n/a
Text Messaging Templates	-	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	-	Yes	n/a	n/a	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Video Calling	-	-	n/a	n/a	n/a
Power
Wireless Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	-	Yes	n/a	n/a	n/a
Software
Games	-	Yes	n/a	n/a	n/a
Java (J2ME)	-	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Push-To-Talk	-	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Knack U310	Samsung SGH-A727	LG Revolution	Visible Midnight	BlackBerry 8830
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Samsung SGH-A727	LG Revolution	Visible Midnight	BlackBerry 8830