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Phone	Samsung SGH-D520	Samsung Galaxy S6 (GSM)	ZTE Z222 / Z223	Kyocera 3225	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.1" diag. 16 : 9	2" diag. 4 : 3	?	?
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	? LCD (Grayscale)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	800 mAh	2,550 mAh	900 mAh	?	?
Processor	?	2.1 GHz Samsung Exynos 7420	QSC6270	?	312 MHz Intel XScale PXA270
RAM	?	3 GB	64 MB	?	?
Storage	? raw hardware	32 GB *	128 MB	? raw hardware	? raw hardware
Main Camera	1 megapixel	16 megapixel	Yes	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	4K UHD	?	-	QVGA (320 x 240)
Front Camera	-	5 megapixel	-	-	-
Weight	3.32 oz (94g)	4.87 oz (138g)	3.24 oz (92g)	4.23 oz (120g)	6.3 oz (179g)
Dimensions	3.98" x 1.81" x 0.63" (101 x 46 x 16 mm)	5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm)	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Slide	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Palm OS
Network Bands	GSM: 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	GPRS	LTE (Cat 6)	HSDPA 3.6	1xRTT	1xRTT
Features
Fingerprint Reader	-	Yes	-	-	-
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	-	Yes	n/a
VR-ready	-	Yes	-	-	-
Accessibility
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	Yes
MirrorLink	-	Yes	-	-	-
NFC	-	Yes	-	-	-
USB	-	Yes Micro-USB	Yes Micro-USB	-	-
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	-
Contacts
Picture ID	Yes	n/a	Yes	-	n/a
Ringer ID	Yes	n/a	Yes	-	n/a
Voice Dialing	-	n/a	-	Yes	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	Yes	-	n/a
Data & Network
Data Tethering	Yes	n/a	-	Yes	n/a
External Antenna Jack	Yes	n/a	-	-	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	-	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes
Memory
Memory Card Slot	-	-	-	-	Yes
Messaging
Email Client	Yes	n/a	Yes	-	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
MMS	Yes	n/a	Yes	-	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
FM Radio	-	-	Yes *	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	-	n/a	-	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Miracast	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Wireless Charging	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	-	-	n/a
Voice Memo	Yes	n/a	Yes	-	n/a
Software
BREW	-	n/a	-	Yes	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	Yes	n/a	Yes	-	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	n/a	-	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-D520	Samsung Galaxy S6 (GSM)	ZTE Z222 / Z223	Kyocera 3225	Palm Treo 650 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-D520	Samsung Galaxy S6 (GSM)	ZTE Z222 / Z223	Kyocera 3225	Palm Treo 650 (CDMA)