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Phone	Huawei Union	Samsung SCH-A990	Palm Treo 600 (CDMA)	Sanyo Zio by Kyocera	Samsung SCH-U430
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	?	3.5" diag. 5 : 3	?
Display Resolution & Type	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,000 mAh	1,000 mAh	?	1,130 mAh	1,000 mAh
Processor	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?	Qualcomm S1 MSM7627	?
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	3 megapixel	Yes	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	-	WVGA / 480p	-
Front Camera	-	-	-	-	-
Weight	4.97 oz (141g)	4.4 oz (125g)	6.2 oz (176g)	3.7 oz (105g)	3.21 oz (91g)
Dimensions	5.33" x 2.67" x 0.39" (135 x 68 x 9.9 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.57" x 2.31" x 0.48" (116 x 59 x 12.2 mm)	3.67" x 1.85" x 0.78" (93 x 47 x 19.8 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Clamshell
Platform / OS	Android	(proprietary)	Palm OS	Android	(proprietary)
Network Bands	4G LTE: 25, 26, 41 WCDMA: 2, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 3)	EVDO r0	1xRTT	EVDO rA	1xRTT
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	Yes
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	-	-	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 802.11 b,g	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	Yes
Ringer ID	n/a	Yes	n/a	n/a	Yes
Voice Dialing	n/a	Yes	n/a	n/a	Yes
Customization
Custom Graphics	n/a	Yes	n/a	n/a	Yes
Custom Ringtones	n/a	Yes	n/a	n/a	Yes
Real-Music Ringers	n/a	Yes	n/a	n/a	-
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	-
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	Yes Capacitive	-	Yes	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	n/a	-	n/a	n/a	Yes
EMS / Picture Messaging	n/a	Yes	n/a	n/a	Yes
Instant Messaging	n/a	-	n/a	n/a	Yes
MMS	n/a	Yes	n/a	n/a	Yes
Text Messaging Templates	n/a	Yes	n/a	n/a	Yes
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	Yes	n/a	n/a	-
Stereo Speakers	Yes	Yes	-	-	-
Photo & Video
TV Output	-	Yes	-	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	Yes
Calculator	n/a	Yes	n/a	n/a	Yes
Calendar	n/a	Yes	n/a	n/a	Yes
To-Do List	n/a	-	n/a	n/a	-
Voice Memo	n/a	Yes	n/a	n/a	Yes
Software
BREW	n/a	Yes	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Huawei Union	Samsung SCH-A990	Palm Treo 600 (CDMA)	Sanyo Zio by Kyocera	Samsung SCH-U430
	X >	< X >	< X >	< X >	< X

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


Phone	Huawei Union	Samsung SCH-A990	Palm Treo 600 (CDMA)	Sanyo Zio by Kyocera	Samsung SCH-U430