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Phone	Samsung SGH-A717	HTC 8XT	Motorola Backflip	Samsung Knack U310	Apple iPhone 4 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	3.1" diag. 5 : 3	2.2" diag. 4 : 3	3.5" diag. 5 : 3
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels (~128 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	1,800 mAh	1,400 mAh	1,000 mAh	?
Processor	?	1.4 GHz Qualcomm Snapdragon 400 8930	528 MHz Qualcomm MSM7201a	?	Apple A4
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	32 GB *
Main Camera	2 megapixel	8 megapixel	5 megapixel	-	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	1080p HD	CIF (352 x 288)	-	720p HD
Front Camera	-	2 megapixel	-	-	Yes
Weight	3.31 oz (94g)	4.9 oz (139g)	4.7 oz (133g)	3.63 oz (103g)	4.8 oz (136g)
Dimensions	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	5.2" x 2.6" x 0.39" (132 x 66 x 9.9 mm)	4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm)	3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)
Form Factor	Clamshell	Slab	Clamshell	Clamshell	Slab
Platform / OS	(proprietary)	Windows	Android	(proprietary)	iOS
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 25 CDMA: 800, 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 1.8	LTE (Cat 3)	HSPA 7.2	-	HSPA 7.2
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	Yes	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
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	Yes	Yes	-	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
NFC	-	Yes	-	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	-	n/a
Voice Dialing	-	n/a	n/a	Yes	n/a
Customization
Custom Graphics	Yes	n/a	n/a	-	n/a
Custom Ringtones	Yes	n/a	n/a	-	n/a
Real-Music Ringers	Yes	n/a	n/a	-	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	-	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	Yes	n/a	n/a	-	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	-	n/a
Text Messaging Templates	Yes	n/a	n/a	-	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	Yes	n/a	n/a	-	n/a
Photo & Video
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	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	-	n/a
Software
Games	Yes	n/a	n/a	-	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
	Samsung SGH-A717	HTC 8XT	Motorola Backflip	Samsung Knack U310	Apple iPhone 4 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-A717	HTC 8XT	Motorola Backflip	Samsung Knack U310	Apple iPhone 4 (GSM)