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Phone	Palm Treo 650 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE	HTC 8XT	LG AX-490
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	4.5" diag. 16 : 9	4.3" diag. 5 : 3	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	820 mAh	2,070 mAh	1,800 mAh	1,100 mAh
Processor	312 MHz Intel XScale PXA270	?	1.2 GHz Qualcomm Snapdragon 400 MSM8930	1.4 GHz Qualcomm Snapdragon 400 8930	?
RAM	?	?	1 GB	1 GB	?
Storage	? raw hardware	? raw hardware	4 GB	8 GB	? raw hardware
Main Camera	Yes	Yes	5 megapixel	8 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	?	720p HD	1080p HD	-
Front Camera	-	-	1 megapixel	2 megapixel	-
Weight	6.3 oz (179g)	4.23 oz (120g)	4.8 oz (136g)	4.9 oz (139g)	3.79 oz (107g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	5.2" x 2.6" x 0.39" (132 x 66 x 9.9 mm)	3.74" x 1.92" x 1" (95 x 49 x 25.4 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Clamshell
Platform / OS	Palm OS	(proprietary)	Android	Windows	(proprietary)
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 25 CDMA: 800, 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	1xRTT	EDGE	LTE (Cat 3)	LTE (Cat 3)	1xRTT
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	-	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	-
Hearing Aid Compatible	-	-	Yes M3, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	Yes	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	-	n/a	n/a	-
NFC	-	-	-	Yes	-
USB	-	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-
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	Yes
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	Yes
WAP / Web Browser	n/a	Yes	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	-
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	Yes	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	Yes	n/a	n/a	-
EMS / Picture Messaging	n/a	Yes	n/a	n/a	-
Instant Messaging	n/a	Yes	n/a	n/a	-
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	-	n/a	n/a	-
Stereo Speakers	-	-	-	-	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	-	n/a	n/a	Yes
Games	n/a	Yes	n/a	n/a	Yes
Java (J2ME)	n/a	Yes	n/a	n/a	-
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 650 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE	HTC 8XT	LG AX-490
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Motorola V551 / V330 / V547 / V555 / V557	ZTE Z998 / Unico LTE	HTC 8XT	LG AX-490