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Phone	ZTE Z998 / Unico LTE	Palm Treo 650 (CDMA)	Sony Ericsson K850	Motorola Defy (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	2.2" diag. 4 : 3	3.6" diag. 16 : 9
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz
Battery	2,070 mAh	?	?	1,540 mAh
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	312 MHz Intel XScale PXA270	?	800 MHz TI OMAP3610
RAM	1 GB	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-
Tele Camera	-	-	-	-
Video Capture	720p HD	QVGA (320 x 240)	?	?
Front Camera	1 megapixel	-	-	-
Weight	4.8 oz (136g)	6.3 oz (179g)	4.2 oz (119g)	4.16 oz (118g)
Dimensions	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)
Form Factor	Slab	Slab	Slab	Slab
Platform / OS	Android	Palm OS	(proprietary)	Android
Network Bands	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	LTE (Cat 3)	1xRTT	HSDPA 3.6	HSPA 7.2
Features
GPS / Location	n/a	n/a	-	n/a
Ruggedized	-	-	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-
Mobile Hotspot	n/a	n/a	-	n/a
USB	Yes Micro-USB	-	Yes	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	n/a	Yes	n/a
Ringer ID	n/a	n/a	Yes	n/a
Voice Dialing	n/a	n/a	Yes	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a
Side Keys	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	Yes	n/a
Instant Messaging	n/a	n/a	-	n/a
MMS	n/a	n/a	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes
Music Player	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	-	-	Yes
Video Calling	n/a	n/a	Yes *	n/a
Productivity
Alarm	n/a	n/a	Yes	n/a
Calculator	n/a	n/a	Yes	n/a
Calendar	n/a	n/a	Yes	n/a
To-Do List	n/a	n/a	Yes	n/a
Voice Memo	n/a	n/a	Yes	n/a
Software
Games	n/a	n/a	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z998 / Unico LTE	Palm Treo 650 (CDMA)	Sony Ericsson K850	Motorola Defy (2010)
	X >	< X >	< X >	< X

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


Phone	ZTE Z998 / Unico LTE	Palm Treo 650 (CDMA)	Sony Ericsson K850	Motorola Defy (2010)