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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Kyocera DuraXT / DuraPro	Nokia N81	Samsung SCH-A990	Huawei M835	Huawei Ascend Q
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	2.4" diag. 4 : 3	?	2.8" diag. 4 : 3	3.2" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	60 Hz
Battery	1,360 mAh	1,050 mAh	1,000 mAh	1,200 mAh	1,500 mAh
Processor	Qualcomm QSC6085	369 MHz ARM 11	?	528 MHz Qualcomm MSM7625	800 MHz Qualcomm MSM7627A
RAM	?	?	?	?	512 MB
Storage	? raw hardware	8 GB *	? raw hardware	? raw hardware	2 GB
Main Camera	3 megapixel	2 megapixel	3 megapixel	3 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	VGA (640 x 480)	?	?	?
Front Camera	-	-	-	-	-
Weight	5.3 oz (150g)	4.94 oz (140g)	4.4 oz (125g)	3.88 oz (110g)	4.6 oz (130g)
Dimensions	4" x 2.1" x 1.1" (102 x 53 x 27.9 mm)	4.02" x 1.97" x 0.7" (102 x 50 x 17.8 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm)	4.8" x 2.3" x 0.5" (122 x 58 x 12.7 mm)
Form Factor	Clamshell	Slide	Clamshell	Slab	Slab
Platform / OS	(proprietary)	S60 (Symbian)	(proprietary)	Android	Android
Network Bands	CDMA: 800, 850, 1900	WCDMA: 1 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1700, 1900
Data Technology	EVDO rA	EDGE	EVDO r0	EVDO rA	EVDO rA
Features
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	n/a	Yes	n/a	n/a
Ruggedized	Yes	-	-	-	-
Water-Resistant	Yes	-	-	-	-
Accessibility
Adjustable Text Size	Yes	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	-	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	Yes	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes *	Yes	Yes	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	Yes	n/a	n/a
Stereo Speakers	-	Yes	Yes	-	-
Photo & Video
TV Output	-	-	Yes	-	-
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	Yes	n/a	-	n/a	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	-	n/a	n/a
Push-To-Talk	Yes	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Kyocera DuraXT / DuraPro	Nokia N81	Samsung SCH-A990	Huawei M835	Huawei Ascend Q
	X >	< X >	< X >	< X >	< X

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


Phone	Kyocera DuraXT / DuraPro	Nokia N81	Samsung SCH-A990	Huawei M835	Huawei Ascend Q