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Phone	Cal-Comp EZ	Samsung Sway U650	ZTE Z998 / Unico LTE	HTC Amaze 4G	HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	4.5" diag. 16 : 9	4.3" diag. 16 : 9	4" diag. 16 : 9
Display Resolution & Type	128 x 128 pixels LCD (STN)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	60 Hz
Battery	800 mAh	?	2,070 mAh	1,730 mAh	1,520 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930	1.5 GHz Qualcomm Snapdragon S3 dual-core	1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	1 GB	1 GB	768 MB
Storage	? raw hardware	? raw hardware	4 GB	16 GB	4 GB
Main Camera	-	2 megapixel	5 megapixel	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	720p HD	1080p HD	720p HD
Front Camera	-	-	1 megapixel	2 megapixel	1 megapixel
Weight	2.47 oz (70g)	3.56 oz (101g)	4.8 oz (136g)	6.1 oz (173g)	5.22 oz (148g)
Dimensions	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	4.15" x 1.96" x 0.47" (105 x 50 x 11.9 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *
Data Technology	1xRTT	1xRTT	LTE (Cat 3)	HSPA+ 42	WiMAX
Features
Flashlight	-	-	-	Yes	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 (very compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M3, 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
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Mini-USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 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	-	-	n/a	n/a	n/a
WAP / Web Browser	-	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	-	Yes	n/a	n/a	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	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	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	Yes	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	Yes
TV Output	-	-	-	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 *	Yes	n/a	n/a	n/a
Software
BREW	-	Yes	n/a	n/a	n/a
Games	-	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Cal-Comp EZ	Samsung Sway U650	ZTE Z998 / Unico LTE	HTC Amaze 4G	HTC EVO Design 4G / Hero S (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Cal-Comp EZ	Samsung Sway U650	ZTE Z998 / Unico LTE	HTC Amaze 4G	HTC EVO Design 4G / Hero S (CDMA)