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Phone	Nokia Lumia 635 (CDMA)	Samsung SGH-A127	HTC EVO Design 4G / Hero S (CDMA)	Pantech Matrix Pro C820	Alcatel A30 Plus
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	4.5" diag. 16 : 9	?	4" diag. 16 : 9	2.4" diag. 4 : 3	5.5" diag. 16 : 9
Display Resolution & Type	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,830 mAh	800 mAh	1,520 mAh	1,320 mAh	3,000 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	528 MHz ARM 11	1.5 GHz MediaTek MT6738
RAM	512 MB	?	768 MB	?	2 GB
Storage	8 GB	? raw hardware	4 GB	? raw hardware	16 GB
Main Camera	5 megapixel	Yes	5 megapixel	2 megapixel	13 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	720p HD	QCIF (176 x 144)	1080p HD
Front Camera	-	-	1 megapixel	-	5 megapixel
Weight	4.73 oz (134g)	2.86 oz (81g)	5.22 oz (148g)	5.34 oz (151g)	5.57 oz (158g)
Dimensions	5.1" x 2.63" x 0.36" (130 x 67 x 9.1 mm)	3.39" x 1.67" x 0.76" (86 x 42 x 19.3 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4.2" x 2" x 0.9" (107 x 51 x 22.9 mm)	5.98" x 3.03" x 0.33" (152 x 77 x 8.4 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Slab
Platform / OS	Windows	(proprietary)	Android	Windows Mobile Standard	Android
Network Bands	4G LTE: 25, 26, 41 WCDMA: 1, 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 7, 12, 13, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	GPRS	WiMAX	HSDPA 3.6	LTE (Cat 4)
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	n/a	-	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes Micro-USB	-	Yes Micro-USB	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)
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	-	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
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	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	Yes	-	Yes	-	Yes
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
DLNA	Yes	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Nokia Lumia 635 (CDMA)	Samsung SGH-A127	HTC EVO Design 4G / Hero S (CDMA)	Pantech Matrix Pro C820	Alcatel A30 Plus
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia Lumia 635 (CDMA)	Samsung SGH-A127	HTC EVO Design 4G / Hero S (CDMA)	Pantech Matrix Pro C820	Alcatel A30 Plus