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Phone	Motorola Backflip	Sony Ericsson K850	Motorola i275	ZTE F160	HTC Amaze 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.1" diag. 5 : 3	2.2" diag. 4 : 3	?	2.4" diag. 4 : 3	4.3" diag. 16 : 9
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Color)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	540 x 960 pixels (~256 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	60 Hz
Battery	1,400 mAh	?	750 mAh	900 mAh	1,730 mAh
Processor	528 MHz Qualcomm MSM7201a	?	?	?	1.5 GHz Qualcomm Snapdragon S3 dual-core
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	16 GB
Main Camera	5 megapixel	5 megapixel	Yes	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	?	-	QCIF (176 x 144)	1080p HD
Front Camera	-	-	-	-	2 megapixel
Weight	4.7 oz (133g)	4.2 oz (119g)	4.6 oz (130g)	2.96 oz (84g)	6.1 oz (173g)
Dimensions	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	4.8" x 1.93" x 0.98" (122 x 49 x 24.9 mm)	4.57" x 1.93" x 0.44" (116 x 49 x 11.2 mm)	5.12" x 2.58" x 0.46" (130 x 66 x 11.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Android
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	iDEN: 800	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 7.2	HSDPA 3.6	-	HSDPA 3.6	HSPA+ 42
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	Yes	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Mobile Hotspot	n/a	-	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Micro-USB	Yes	-	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	n/a	Yes	-	-	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	Yes	Yes	-	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	Yes	-	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	-	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	n/a	Yes	-	-	n/a
Instant Messaging	n/a	-	-	Yes	n/a
MMS	n/a	Yes	Yes	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
FM Radio	-	Yes	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	-	Yes	Yes
Music Player	n/a	Yes	-	Yes	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Video Calling	n/a	Yes *	-	-	n/a
Productivity
Alarm	n/a	Yes	-	Yes	n/a
Calculator	n/a	Yes	-	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	-	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	-	n/a
Push-To-Talk	-	-	Yes	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Motorola Backflip	Sony Ericsson K850	Motorola i275	ZTE F160	HTC Amaze 4G
	X >	< X >	< X >	< X >	< X

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


Phone	Motorola Backflip	Sony Ericsson K850	Motorola i275	ZTE F160	HTC Amaze 4G