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Phone	Palm Treo 600 (CDMA)	Motorola ROKR E2	Samsung Galaxy S6 (CDMA)	ZTE Z221	Kyocera Hydro Life
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	4.5" diag. 16 : 9
Display Resolution & Type	160 x 160 pixels LCD (Color)	240 x 320 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~576 ppi) AMOLED	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	?	2,550 mAh	900 mAh	2,000 mAh
Processor	?	?	2.1 GHz Samsung Exynos	?	1.2 GHz Qualcomm Snapdragon MSM8212
RAM	?	?	3 GB	?	1.5 GB
Storage	? raw hardware	? raw hardware	32 GB *	142 MB	8 GB
Main Camera	Yes	1 megapixel	16 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	4K UHD	QCIF (176 x 144)	720p HD
Front Camera	-	-	5 megapixel	-	2 megapixel
Weight	6.2 oz (176g)	3.77 oz (107g)	4.87 oz (138g)	3.24 oz (92g)	4.8 oz (136g)
Dimensions	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.17" x 1.95" x 0.71" (106 x 50 x 18 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)	5.19" x 2.57" x 0.43" (132 x 65 x 10.9 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	EDGE	LTE (Cat 4)	HSDPA 3.6	HSPA+ 21
Features
Fingerprint Reader	-	-	Yes	-	-
Flashlight	-	-	Yes	-	Yes
GPS / Location	n/a	-	n/a	Yes	n/a
Ruggedized	-	-	-	-	Yes
VR-ready	-	-	Yes	-	-
Water-Resistant	-	-	-	-	Yes IPX7 (snorkeling)
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	Yes	-	-
MirrorLink	-	-	Yes	-	-
Mobile Hotspot	n/a	-	n/a	-	n/a
NFC	-	-	Yes	-	-
USB	Yes	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	-	n/a
Voice Dialing	n/a	Yes	n/a	-	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	-	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	Yes	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	Yes	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	n/a	Yes	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
Miracast	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Power
Wireless Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Treo 600 (CDMA)	Motorola ROKR E2	Samsung Galaxy S6 (CDMA)	ZTE Z221	Kyocera Hydro Life
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 600 (CDMA)	Motorola ROKR E2	Samsung Galaxy S6 (CDMA)	ZTE Z221	Kyocera Hydro Life