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Phone	Apple iPhone 4 (GSM)	HTC Desire 520	Samsung SGH-A717	Sony Ericsson Xperia X10 mini (2010)	BlackBerry Curve 3G 9330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	3.5" diag. 5 : 3	4.5" diag. 16 : 9	?	2.6" diag. 4 : 3	2.5" diag. 4 : 3
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	480 x 854 pixels (~218 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	60 Hz	?
Battery	?	2,000 mAh	?	?	1,150 mAh
Processor	Apple A4	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	600 MHz Qualcomm S1 MSM7227	?
RAM	?	1 GB	?	?	?
Storage	32 GB *	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	2 megapixel	5 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	720p HD	QCIF (176 x 144)	VGA (640 x 480)	?
Front Camera	Yes	2 megapixel	-	-	-
Weight	4.8 oz (136g)	4.9 oz (139g)	3.31 oz (94g)	3.11 oz (88g)	3.7 oz (105g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	5.5" x 2.71" x 0.36" (140 x 69 x 9 mm)	4.07" x 2.15" x 0.55" (103 x 55 x 14 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	iOS	Android	(proprietary)	Android	BlackBerry OS
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900
Data Technology	HSPA 7.2	LTE (Cat 3)	HSDPA 1.8	HSPA 7.2	EVDO r0
Features
GPS / Location	n/a	n/a	-	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	-	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	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	Yes
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	Yes	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	Yes	-
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	Yes	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	n/a	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	HTC Desire 520	Samsung SGH-A717	Sony Ericsson Xperia X10 mini (2010)	BlackBerry Curve 3G 9330
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	HTC Desire 520	Samsung SGH-A717	Sony Ericsson Xperia X10 mini (2010)	BlackBerry Curve 3G 9330