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Specifications
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Phone	HTC EVO Design 4G / Hero S (CDMA)	HTC myTouch 4G Slide	Huawei M835	Ericsson R278d	Nokia Lumia 810
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 16 : 9	3.7" diag. 5 : 3	2.8" diag. 4 : 3	?	4.3" diag. 5 : 3
Display Resolution & Type	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	101 x 40 pixels	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	60 Hz	60 Hz	60 Hz	?	?
Battery	1,520 mAh	1,520 mAh	1,200 mAh	?	1,800 mAh
Processor	1.2 GHz Qualcomm Snapdragon S2 MSM8655	1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core)	528 MHz Qualcomm MSM7625	?	1.5 GHz Qualcomm Snapdragon
RAM	768 MB	?	?	?	1 GB
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	5 megapixel	8 megapixel	3 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	?	-	1080p HD
Front Camera	1 megapixel	Yes	-	-	1 megapixel
Weight	5.22 oz (148g)	6.5 oz (184g)	3.88 oz (110g)	9.28 oz (263g)	5.11 oz (145g)
Dimensions	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.8" x 2.4" x 0.52" (122 x 61 x 13.2 mm)	4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm)	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Android	Android	Android	(proprietary)	Windows
Network Bands	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1700, 1900	TDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	WiMAX	HSPA 14.4	EVDO rA	-	HSPA+ 42
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Micro-USB	Yes	Yes	-	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)	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	n/a	n/a	-	n/a
Ringer ID	n/a	n/a	n/a	-	n/a
Voice Dialing	n/a	n/a	n/a	-	n/a
Customization
Custom Graphics	n/a	n/a	n/a	-	n/a
Custom Ringtones	n/a	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	n/a	-	n/a
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	n/a
Instant Messaging	n/a	n/a	n/a	-	n/a
MMS	n/a	n/a	n/a	-	n/a
Text Messaging Templates	n/a	n/a	n/a	-	n/a
Music
FM Radio	Yes	Yes	-	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	Yes
Music Player	n/a	n/a	n/a	-	n/a
Photo & Video
DLNA	Yes	Yes	-	-	-
TV Output	-	Yes	-	-	-
Power
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	n/a	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	n/a	-	n/a
Calendar	n/a	n/a	n/a	-	n/a
Voice Memo	n/a	n/a	n/a	-	n/a
Software
Games	n/a	n/a	n/a	-	n/a
Voice
Speaker Phone	Yes	Yes	Yes	-	Yes
	HTC EVO Design 4G / Hero S (CDMA)	HTC myTouch 4G Slide	Huawei M835	Ericsson R278d	Nokia Lumia 810
	X >	< X >	< X >	< X >	< X

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


Phone	HTC EVO Design 4G / Hero S (CDMA)	HTC myTouch 4G Slide	Huawei M835	Ericsson R278d	Nokia Lumia 810