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Phone	HTC EVO Design 4G / Hero S (CDMA)	HTC myTouch 4G Slide	Huawei M835	Ericsson R278d	Sony Ericsson K850
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	?	2.2" diag. 4 : 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	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	60 Hz	?	?
Battery	1,520 mAh	1,520 mAh	1,200 mAh	?	?
Processor	1.2 GHz Qualcomm Snapdragon S2 MSM8655	1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core)	528 MHz Qualcomm MSM7625	?	?
RAM	768 MB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	3 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	1080p HD	?	-	?
Front Camera	1 megapixel	Yes	-	-	-
Weight	5.22 oz (148g)	6.5 oz (184g)	3.88 oz (110g)	9.28 oz (263g)	4.2 oz (119g)
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)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Android	Android	Android	(proprietary)	(proprietary)
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, 5 GSM: 850, 900, 1800, 1900
Data Technology	WiMAX	HSPA 14.4	EVDO rA	-	HSDPA 3.6
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	n/a	-	-
Accessibility
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Ringer Profiles	-	-	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	n/a	n/a	-	-
USB	Yes Micro-USB	Yes	Yes	-	Yes
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	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	Yes
Real-Music Ringers	n/a	n/a	n/a	-	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	Yes
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	-
Touch Screen	Yes Capacitive	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	-	Yes
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	Yes	-	-	Yes
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	Yes
Photo & Video
DLNA	Yes	Yes	-	-	-
TV Output	-	Yes	-	-	-
Video Calling	n/a	n/a	n/a	-	Yes *
Productivity
Alarm	n/a	n/a	n/a	Yes	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	-	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
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	HTC EVO Design 4G / Hero S (CDMA)	HTC myTouch 4G Slide	Huawei M835	Ericsson R278d	Sony Ericsson K850
	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	Sony Ericsson K850