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Phone	Kyocera Oystr KX9d / KX9e	Pantech Duo C810	ZTE Grand X 3	Samsung SCH-A310	Palm Treo 650 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.2" diag. 4 : 3	5.5" diag. 16 : 9	?	?
Display Resolution & Type	128 x 128 pixels LCD (STN)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	870 mAh	1,320 mAh	3,080 mAh	?	?
Processor	?	ARM 920t PXA27x	1.3 GHz Qualcomm Snapdragon 210 (MSM8909)	?	312 MHz Intel XScale PXA270
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	-	1 megapixel	8 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	720p HD	-	QVGA (320 x 240)
Front Camera	-	-	2 megapixel	-	-
Weight	3.5 oz (99g)	3.88 oz (110g)	6 oz (170g)	3.2 oz (91g)	6.3 oz (179g)
Dimensions	3.46" x 1.88" x 0.98" (88 x 48 x 24.9 mm)	4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm)	6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)
Form Factor	Clamshell	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Windows Mobile Standard	Android	(proprietary)	Palm OS
Network Bands	CDMA: 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	1xRTT	HSDPA 1.8	LTE (Cat 4)	1xRTT	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M4, T3 (mostly tele-coil compatible)	-	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	-	-
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Infrared (IR)	-	-	-	-	Yes
USB	Yes	Yes	Yes USB Type C	Yes	-
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	Yes	n/a	n/a	-	n/a
Custom Ringtones	Yes	n/a	n/a	-	n/a
Real-Music Ringers	Yes *	n/a	n/a	-	n/a
Data & Network
Data Tethering	-	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes *	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	-	-	Yes Capacitive	-	Yes
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	-	n/a
EMS / Picture Messaging	Yes	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	-	n/a
Text Messaging Templates	Yes	n/a	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	n/a	n/a	-	n/a
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	-	n/a
Calculator	Yes	n/a	n/a	-	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes *	n/a	n/a	-	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes *	n/a	n/a	-	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Kyocera Oystr KX9d / KX9e	Pantech Duo C810	ZTE Grand X 3	Samsung SCH-A310	Palm Treo 650 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Kyocera Oystr KX9d / KX9e	Pantech Duo C810	ZTE Grand X 3	Samsung SCH-A310	Palm Treo 650 (CDMA)