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Phone	Samsung SPH-A660 / VI660	Samsung SCH-U430	Nokia N-Gage QD	BlackBerry Curve 8320	LG K20 / Harmony / Grace
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	?	5.3" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	176 x 208 pixels LCD (Color)	320 x 240 pixels LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,000 mAh	1,070 mAh	1,100 mAh	2,800 mAh
Processor	?	?	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)
RAM	?	?	?	?	1.5 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	-	Yes	-	2 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	-	1080p HD
Front Camera	-	-	-	-	5 megapixel
Weight	3.54 oz (100g)	3.21 oz (91g)	5.04 oz (143g)	3.92 oz (111g)	5 oz (142g)
Dimensions	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)	3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm)	4.65" x 2.68" x 0.87" (118 x 68 x 22.1 mm)	4.21" x 2.36" x 0.61" (107 x 60 x 15.5 mm)	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	S60 (Symbian)	BlackBerry OS	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	GSM: 850, 1900 *	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	1xRTT	GPRS	EDGE	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	Yes	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 M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly 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
NFC	-	-	-	-	Yes *
USB	-	-	-	Yes	Yes Micro-USB
Wi-Fi	-	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	Yes	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	-	n/a	n/a	n/a
WAP / Web Browser	Yes	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	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
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
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	Yes	n/a	n/a	n/a
Software
BREW	-	Yes	n/a	n/a	n/a
Games	Yes	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	Yes	n/a	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SPH-A660 / VI660	Samsung SCH-U430	Nokia N-Gage QD	BlackBerry Curve 8320	LG K20 / Harmony / Grace
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-A660 / VI660	Samsung SCH-U430	Nokia N-Gage QD	BlackBerry Curve 8320	LG K20 / Harmony / Grace