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Phone	Samsung Knack U310	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-N400	Palm Treo 600 (CDMA)	BlackBerry Curve 3G 9330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	5" diag. 16 : 9	?	?	2.5" diag. 4 : 3
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	160 x 160 pixels LCD (Color)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,000 mAh	2,600 mAh	?	?	1,150 mAh
Processor	?	1.4 GHz Samsung Exynos 7570	?	?	?
RAM	?	2 GB	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	8 megapixel	-	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	-	-	?
Front Camera	-	5 megapixel	-	-	-
Weight	3.63 oz (103g)	5.43 oz (154g)	4 oz (113g)	6.2 oz (176g)	3.7 oz (105g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	5.65" x 2.84" x 0.35" (144 x 72 x 8.9 mm)	4.25" x 2.04" x 0.82" (108 x 52 x 20.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)
Form Factor	Clamshell	Slab	Flip	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	Palm OS	BlackBerry OS
Network Bands	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	-	LTE (Cat 4)	1xRTT	1xRTT	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	Yes	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 M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	-	-	Yes
Infrared (IR)	-	-	-	Yes	-
USB	-	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 802.11 b,g
Contacts
Picture ID	-	n/a	Yes	n/a	n/a
Ringer ID	-	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	-	n/a	Yes	n/a	n/a
Custom Ringtones	-	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	-	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
WAP / Web Browser	-	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes	-
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	Yes	n/a	-	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	-	n/a	-	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	n/a	n/a
Voice Memo	-	n/a	-	n/a	n/a
Software
Games	-	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-N400	Palm Treo 600 (CDMA)	BlackBerry Curve 3G 9330
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Knack U310	Samsung Galaxy J2 / J2 Pure / J2 Dash	Samsung SPH-N400	Palm Treo 600 (CDMA)	BlackBerry Curve 3G 9330