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Phone	ZTE Prelude / Avail 2	Samsung SCH-U740 Alias	T-Mobile REVVL V	Motorola i450 / i455	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	6.5" diag. 20 : 9	?	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,500 mAh	?	4,000 mAh	?	?
Processor	1 GHz Qualcomm Snapdragon MSM7225A	?	2 GHz MediaTek Helio G25 (MT6762V)	?	?
RAM	512 MB	?	3 GB	?	?
Storage	4 GB	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	2 megapixel	1 megapixel	13 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	?	1080p HD	-	-
Front Camera	-	-	5 megapixel	-	-
Weight	4.4 oz (125g)	3.56 oz (101g)	6.45 oz (183g)	4.5 oz (128g)	6.2 oz (176g)
Dimensions	4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm)	3.84" x 2.04" x 0.63" (98 x 52 x 16 mm)	6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm)	3.5" x 2" x 1.1" (89 x 51 x 27.9 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	Android	(proprietary)	Palm OS
Network Bands	WCDMA: 2, 5 GSM: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	iDEN: 800	CDMA: 850, 1900
Data Technology	HSPA 7.2	EVDO r0	LTE (Cat 6)	-	1xRTT
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	Yes M3, T4 (very tele-coil compatible)	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
Infrared (IR)	-	-	-	-	Yes
USB	Yes	Yes	Yes USB Type C	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)	-	-
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes *	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	-	Yes
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	Yes	n/a	-	n/a
Instant Messaging	n/a	Yes	n/a	-	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	Yes	n/a	-	n/a
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	-	n/a
Calculator	n/a	Yes	n/a	-	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
BREW	n/a	Yes	n/a	-	n/a
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	-	n/a	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	ZTE Prelude / Avail 2	Samsung SCH-U740 Alias	T-Mobile REVVL V	Motorola i450 / i455	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Prelude / Avail 2	Samsung SCH-U740 Alias	T-Mobile REVVL V	Motorola i450 / i455	Palm Treo 600 (CDMA)