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Phone	Samsung SGH-A437 / A436	ZTE Speed	Kyocera Coast / Kona	Huawei W1	Samsung SCH-A645
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	4.5" diag. 16 : 9	2.4" diag. 4 : 3	4" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels (~102 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)
Display Refresh	?	60 Hz	?	?	?
Battery	900 mAh	2,000 mAh	870 mAh	1,950 mAh	1,000 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	480 MHz Qualcomm QSC6155	1.2 GHz Qualcomm Snapdragon 400 MSM8230	?
RAM	?	1 GB	128 MB	512 MB	?
Storage	? raw hardware	8 GB	256 MB	4 GB	? raw hardware
Main Camera	Yes	5 megapixel	2 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	-	720p HD	-
Front Camera	-	2 megapixel	-	Yes	-
Weight	2.9 oz (82g)	4.8 oz (136g)	3.7 oz (105g)	4.41 oz (125g)	3.2 oz (91g)
Dimensions	3.74" x 1.89" x 0.63" (95 x 48 x 16 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm)	4.84" x 2.5" x 0.41" (123 x 64 x 10.4 mm)	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Android	(proprietary)	Windows	(proprietary)
Network Bands	GSM: 850, 900, 1800, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 800, 850, 1700, 1900 *	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	EDGE	LTE (Cat 3)	1xRTT	HSPA+ 21	1xRTT
Features
GPS / Location	-	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	Yes	n/a	-
Hearing Aid Compatible	Yes * M3, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Mobile Hotspot	-	n/a	-	n/a	-
USB	-	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	-
Voice Dialing	-	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	-	n/a	Yes	n/a	-
Data & Network
Data Tethering	Yes	n/a	-	n/a	-
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes *
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	-	Yes	-
Messaging
Email Client	-	n/a	-	n/a	-
EMS / Picture Messaging	-	n/a	-	n/a	Yes
Instant Messaging	Yes	n/a	-	n/a	-
MMS	Yes	n/a	Yes	n/a	-
Text Messaging Templates	Yes	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	-	n/a	-	n/a	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	Yes	n/a	-	n/a	Yes
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	-	n/a	-	n/a	Yes *
Games	Yes	n/a	Yes	n/a	Yes *
Java (J2ME)	Yes	n/a	Yes	n/a	-
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	n/a	-	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-A437 / A436	ZTE Speed	Kyocera Coast / Kona	Huawei W1	Samsung SCH-A645
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A437 / A436	ZTE Speed	Kyocera Coast / Kona	Huawei W1	Samsung SCH-A645