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Phone	Apple iPhone 4 (GSM)	Cricket Debut S2 / AT&T Calypso 4	HTC EVO Design 4G / Hero S (CDMA)	Samsung Trance SCH-U490	Samsung SCH-R410
Current U.S. Carriers	(none)	AT&T	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	6.1" diag. 19.5 : 9	4" diag. 16 : 9	2.1" diag. 4 : 3	?
Display Resolution & Type	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	60 Hz	?	?
Battery	?	3,000 mAh	1,520 mAh	?	800 mAh
Processor	Apple A4	2 GHz MediaTek Helio A22 (MT6761WB)	1.2 GHz Qualcomm Snapdragon S2 MSM8655	?	?
RAM	?	3 GB	768 MB	?	?
Storage	32 GB *	64 GB	4 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	8 megapixel	5 megapixel	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	?	720p HD	-	-
Front Camera	Yes	5 megapixel	1 megapixel	-	-
Weight	4.8 oz (136g)	5.64 oz (160g)	5.22 oz (148g)	3.53 oz (100g)	3.4 oz (96g)
Dimensions	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)	3.9" x 1.9" x 0.57" (99 x 48 x 14.5 mm)
Form Factor	Slab	Slab	Slab	Slide	Slab
Platform / OS	iOS	Android	Android	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	HSPA 7.2	LTE (Cat 4)	WiMAX	1xRTT	1xRTT
Features
Flashlight	-	Yes	Yes	-	-
GPS / Location	n/a	n/a	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	Yes	-
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	-	-
USB	Yes	Yes USB Type C	Yes Micro-USB	Yes	-
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	Yes
Ringer ID	n/a	n/a	n/a	Yes	Yes
Voice Dialing	n/a	n/a	n/a	Yes	Yes
Customization
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	Yes	-
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	-
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
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	n/a	n/a	n/a	-	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	Yes	Yes
Text Messaging Templates	n/a	n/a	n/a	Yes	Yes
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	Yes	Yes	Yes	-
Music Player	n/a	n/a	n/a	Yes	-
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	Yes	-	-	-	-
Power
Fast Charging	-	Yes	-	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	Yes
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
BREW	n/a	n/a	n/a	Yes	Yes
Games	n/a	n/a	n/a	Yes	Yes
Voice
HD Voice	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Apple iPhone 4 (GSM)	Cricket Debut S2 / AT&T Calypso 4	HTC EVO Design 4G / Hero S (CDMA)	Samsung Trance SCH-U490	Samsung SCH-R410
	X >	< X >	< X >	< X >	< X

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


Phone	Apple iPhone 4 (GSM)	Cricket Debut S2 / AT&T Calypso 4	HTC EVO Design 4G / Hero S (CDMA)	Samsung Trance SCH-U490	Samsung SCH-R410