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Phone	ZTE Z431 / Altair	Motorola Droid	Motorola Backflip	UTStarcom PPC-6700 / XV-6700 / HTC Apache	Samsung SPH-A660 / VI660
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	3.7" diag. 16 : 9	3.1" diag. 5 : 3	?	?
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	480 x 854 pixels (~268 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (Color)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	1,000 mAh	1,400 mAh	1,400 mAh	1,350 mAh	?
Processor	?	550 MHz TI OMAP 3430 (ARM Cortex A8)	528 MHz Qualcomm MSM7201a	416 MHz Intel	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	2 megapixel	5 megapixel	5 megapixel	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	WVGA / 480p	CIF (352 x 288)	?	-
Front Camera	-	-	-	-	-
Weight	3.52 oz (100g)	5.99 oz (170g)	4.7 oz (133g)	6.07 oz (172g)	3.54 oz (100g)
Dimensions	4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm)	4.55" x 2.35" x 0.55" (116 x 60 x 14 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4.25" x 2.32" x 0.93" (108 x 59 x 23.6 mm)	3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm)
Form Factor	Slab	Slab	Clamshell	Slide	Clamshell
Platform / OS	(proprietary)	Android	Android	Windows Mobile Professional	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	?	EVDO rA	HSPA 7.2	EVDO r0	1xRTT
Features
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	-	-	-	Yes	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	-
Wi-Fi	-	Yes 802.11 b,g	Yes 802.11 b,g	Yes	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	-
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	Yes
External Antenna Jack	-	n/a	n/a	n/a	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	Yes	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	Yes	n/a	n/a	n/a	-
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	-
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	Yes	n/a	n/a	n/a	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes	n/a	n/a	n/a	-
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	-	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	ZTE Z431 / Altair	Motorola Droid	Motorola Backflip	UTStarcom PPC-6700 / XV-6700 / HTC Apache	Samsung SPH-A660 / VI660
	X >	< X >	< X >	< X >	< X

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


Phone	ZTE Z431 / Altair	Motorola Droid	Motorola Backflip	UTStarcom PPC-6700 / XV-6700 / HTC Apache	Samsung SPH-A660 / VI660