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Phone	Samsung SGH-X640	Huawei W1	LG AX-390 / UX-390	Samsung Wafer R510	Kyocera Brigadier
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	1.9" diag. 4 : 3	4.5" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	1,950 mAh	1,000 mAh	800 mAh	3,100 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?	?	1.4 GHz Qualcomm Snapdragon 400 MSM8928
RAM	?	512 MB	?	?	2 GB
Storage	? raw hardware	4 GB	? raw hardware	? raw hardware	16 GB
Main Camera	Yes	5 megapixel	-	1 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	?	1080p HD
Front Camera	-	Yes	-	-	2 megapixel
Weight	3 oz (85g)	4.41 oz (125g)	3.74 oz (106g)	2.47 oz (70g)	6.6 oz (187g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	5.37" x 2.69" x 0.52" (136 x 68 x 13.2 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Windows	(proprietary)	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	HSPA+ 21	1xRTT	EVDO r0	LTE (Cat 3)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	-	n/a	Yes	Yes	n/a
Ruggedized	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes IPX8 (SCUBA)
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Mobile Hotspot	-	n/a	-	-	n/a
NFC	-	-	-	-	Yes
USB	-	Yes Micro-USB	-	-	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	n/a	Yes	Yes	n/a
Ringer ID	Yes	n/a	-	-	n/a
Voice Dialing	-	n/a	Yes	Yes	n/a
Customization
Custom Graphics	Yes	n/a	Yes	Yes	n/a
Custom Ringtones	Yes	n/a	Yes	Yes	n/a
Real-Music Ringers	-	n/a	Yes	-	n/a
Data & Network
Data Tethering	-	n/a	-	-	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	-	n/a	-	-	n/a
EMS / Picture Messaging	Yes	n/a	-	-	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	Yes	Yes	n/a
Text Messaging Templates	Yes	n/a	-	-	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
Miracast	-	-	-	-	Yes
Power
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	-	-	n/a
Voice Memo	Yes	n/a	Yes	Yes	n/a
Software
BREW	-	n/a	Yes	Yes	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	Yes	n/a	-	-	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Push-To-Talk	-	-	Yes	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Huawei W1	LG AX-390 / UX-390	Samsung Wafer R510	Kyocera Brigadier
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Huawei W1	LG AX-390 / UX-390	Samsung Wafer R510	Kyocera Brigadier