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Phone	Ericsson R278d	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	HTC 2125 / 2100 (Faraday)	Samsung Trance SCH-U490
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.5" diag. 16 : 9	4" diag. 16 : 9	?	2.1" diag. 4 : 3
Display Resolution & Type	101 x 40 pixels	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	?	2,070 mAh	1,520 mAh	1,150 mAh	?
Processor	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930	1.2 GHz Qualcomm Snapdragon S2 MSM8655	200 MHz OMAP 850	?
RAM	?	1 GB	768 MB	?	?
Storage	? raw hardware	4 GB	4 GB	? raw hardware	? raw hardware
Main Camera	-	5 megapixel	5 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	720p HD	QCIF (176 x 144)	-
Front Camera	-	1 megapixel	1 megapixel	-	-
Weight	9.28 oz (263g)	4.8 oz (136g)	5.22 oz (148g)	4.09 oz (116g)	3.53 oz (100g)
Dimensions	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.57" x 1.81" x 0.69" (116 x 46 x 17.5 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)
Form Factor	Slab	Slab	Slab	Slab	Slide
Platform / OS	(proprietary)	Android	Android	Windows Mobile Standard	(proprietary)
Network Bands	TDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	-	LTE (Cat 3)	WiMAX	EDGE	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	-	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	Yes
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	-	n/a	n/a	n/a	Yes
Ringer ID	-	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	-	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	Yes
External Antenna Jack	-	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	-
MMS	-	n/a	n/a	n/a	Yes
Text Messaging Templates	-	n/a	n/a	n/a	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	n/a	Yes
Photo & Video
DLNA	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	-	n/a	n/a	n/a	Yes
Calendar	-	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	-
Voice Memo	-	n/a	n/a	n/a	Yes
Software
BREW	-	n/a	n/a	n/a	Yes
Games	-	n/a	n/a	n/a	Yes
Java (J2ME)	-	n/a	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Ericsson R278d	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	HTC 2125 / 2100 (Faraday)	Samsung Trance SCH-U490
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Ericsson R278d	ZTE Z998 / Unico LTE	HTC EVO Design 4G / Hero S (CDMA)	HTC 2125 / 2100 (Faraday)	Samsung Trance SCH-U490