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Phone	Samsung Knack U310	Huawei W1	HTC EVO Design 4G / Hero S (CDMA)	ZTE Grand X 3	Sanyo SCP-3810 / Mirro
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.2" diag. 4 : 3	4" diag. 5 : 3	4" diag. 16 : 9	5.5" diag. 16 : 9	2.4" diag. 4 : 3
Display Resolution & Type	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,000 mAh	1,950 mAh	1,520 mAh	3,080 mAh	1,000 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	1.2 GHz Qualcomm Snapdragon S2 MSM8655	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	512 MB	768 MB	2 GB	?
Storage	? raw hardware	4 GB	4 GB	16 GB	? raw hardware
Main Camera	-	5 megapixel	5 megapixel	8 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	720p HD	720p HD	-
Front Camera	-	Yes	1 megapixel	2 megapixel	-
Weight	3.63 oz (103g)	4.41 oz (125g)	5.22 oz (148g)	6 oz (170g)	3.97 oz (112g)
Dimensions	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Windows	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	-	HSPA+ 21	WiMAX	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	Yes	Yes	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	Yes	n/a	n/a	n/a	Yes
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes USB Type C	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	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	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	-	n/a	n/a	n/a	Yes
Custom Ringtones	-	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
WAP / Web Browser	-	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	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	Yes
MMS	-	n/a	n/a	n/a	-
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	-
Photo & Video
DLNA	-	-	Yes	-	-
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	Yes
Voice Memo	-	n/a	n/a	n/a	Yes
Software
Games	-	n/a	n/a	n/a	Yes
Java (J2ME)	-	n/a	n/a	n/a	Yes
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Knack U310	Huawei W1	HTC EVO Design 4G / Hero S (CDMA)	ZTE Grand X 3	Sanyo SCP-3810 / Mirro
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Knack U310	Huawei W1	HTC EVO Design 4G / Hero S (CDMA)	ZTE Grand X 3	Sanyo SCP-3810 / Mirro