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Phone	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Motorola Flipside	Sony Ericsson TM506
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4.5" diag. 16 : 9	?	2.2" diag. 4 : 3	3.1" diag. 5 : 3	2.2" diag. 4 : 3
Display Resolution & Type	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	60 Hz	?
Battery	2,000 mAh	?	?	1,150 mAh	950 mAh
Processor	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	720 MHz TI OMAP 3410	?
RAM	1 GB	?	?	?	?
Storage	8 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	Yes	5 megapixel	3 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	?	CIF (352 x 288)	QVGA (320 x 240)
Front Camera	2 megapixel	-	-	-	-
Weight	4.8 oz (136g)	6.2 oz (176g)	4.2 oz (119g)	5.11 oz (145g)	3.56 oz (101g)
Dimensions	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.31" x 2.26" x 0.59" (109 x 57 x 15 mm)	3.74" x 1.86" x 0.7" (95 x 47 x 17.8 mm)
Form Factor	Slab	Slab	Slab	Slide	Clamshell
Platform / OS	Android	Palm OS	(proprietary)	Android	(proprietary)
Network Bands	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 1800, 1900
Data Technology	LTE (Cat 3)	1xRTT	HSDPA 3.6	HSPA 7.2	HSDPA 3.6
Features
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 M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	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 Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	Yes	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	Yes
Voice Dialing	n/a	n/a	Yes	n/a	Yes
Customization
Custom Graphics	n/a	n/a	Yes	n/a	Yes
Custom Ringtones	n/a	n/a	Yes	n/a	Yes
Real-Music Ringers	n/a	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	-
External Antenna Jack	n/a	n/a	-	n/a	Yes
WAP / Web Browser	n/a	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	Yes Capacitive	Yes	-	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	Yes
Instant Messaging	n/a	n/a	-	n/a	Yes
MMS	n/a	n/a	Yes	n/a	Yes
Text Messaging Templates	n/a	n/a	Yes	n/a	Yes
Music
FM Radio	-	-	Yes	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	n/a	Yes	n/a	Yes
Photo & Video
Video Calling	n/a	n/a	Yes *	n/a	-
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	Yes	n/a	Yes
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	Yes	n/a	Yes
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
Games	n/a	n/a	Yes	n/a	Yes
Java (J2ME)	n/a	n/a	Yes	n/a	Yes
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Motorola Flipside	Sony Ericsson TM506
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Speed	Palm Treo 600 (CDMA)	Sony Ericsson K850	Motorola Flipside	Sony Ericsson TM506