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Phone	ZTE Z331	Samsung Galaxy S II Skyrocket	Samsung Epix i907	Motorola V710	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	4.5" diag. 5 : 3	2.6" diag. 1 : 1	?	?
Display Resolution & Type	176 x 220 pixels (~117 ppi) LCD (TFT/TFD)	480 x 800 pixels (~207 ppi) AMOLED	320 x 320 pixels (~177 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	?	60 Hz	?	?	?
Battery	950 mAh	1,850 mAh	1,800 mAh	?	?
Processor	?	1.5 GHz Qualcomm Snapdragon S3 APQ8060	624 MHz PXA311 (ARM9)	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	16 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	2 megapixel	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	1080p HD	QVGA (320 x 240)	?	-
Front Camera	-	2 megapixel	-	-	-
Weight	4 oz (113g)	4.71 oz (133g)	4.4 oz (125g)	4.06 oz (115g)	6.2 oz (176g)
Dimensions	3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm)	5.12" x 2.72" x 0.35" (130 x 69 x 9 mm)	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	Windows Mobile Professional	(proprietary)	Palm OS
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	HSDPA 3.6	LTE (Cat 3)	HSDPA 3.6	1xRTT	1xRTT
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes	Yes	Yes	Yes	-
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes *	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	-	-
Contacts
Picture ID	Yes	n/a	n/a	Yes	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	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
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes	Yes	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	Yes *	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	Yes	n/a	n/a	-	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	Yes	n/a	n/a	Yes	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	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	-	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes	n/a	n/a	-	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Z331	Samsung Galaxy S II Skyrocket	Samsung Epix i907	Motorola V710	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z331	Samsung Galaxy S II Skyrocket	Samsung Epix i907	Motorola V710	Palm Treo 600 (CDMA)