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Phone	Samsung Gravity TXT	Samsung M220	HTC HD7 / HD7S	Samsung SCH-A990	Cricket Debut S2 / AT&T Calypso 4
Current U.S. Carriers	(none)	(none)	(none)	(none)	AT&T
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	1.5" diag. 4 : 3	4.3" diag. 5 : 3	?	6.1" diag. 19.5 : 9
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels (~137 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	800 mAh	1,230 mAh	1,000 mAh	3,000 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S1 QSD8250	?	2 GHz MediaTek Helio A22 (MT6761WB)
RAM	?	?	?	?	3 GB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	64 GB
Main Camera	2 megapixel	-	5 megapixel	3 megapixel	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	720p HD	?	?
Front Camera	-	-	-	-	5 megapixel
Weight	3.95 oz (112g)	3.1 oz (88g)	5.71 oz (162g)	4.4 oz (125g)	5.64 oz (160g)
Dimensions	4.41" x 2.09" x 0.55" (112 x 53 x 14 mm)	3.5" x 1.9" x 0.8" (89 x 48 x 20.3 mm)	4.8" x 2.7" x 0.44" (122 x 69 x 11.2 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)
Form Factor	Slide	Clamshell	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	(proprietary)	Android
Network Bands	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8
Data Technology	HSPA 7.2	1xRTT	HSPA 7.2	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	-	Yes	Yes
GPS / Location	Yes	Yes	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes USB Type C
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	Yes	n/a
Data & Network
Data Tethering	-	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	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
Messaging
Email Client	Yes	-	n/a	-	n/a
EMS / Picture Messaging	-	-	n/a	Yes	n/a
Instant Messaging	Yes	-	n/a	-	n/a
MMS	Yes	-	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	Yes	-	Yes	-	Yes
Music Player	Yes	-	n/a	Yes	n/a
Stereo Speakers	-	-	Yes	Yes	-
Photo & Video
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	Yes	n/a	-	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	-	n/a	Yes	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	Yes	n/a	-	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Gravity TXT	Samsung M220	HTC HD7 / HD7S	Samsung SCH-A990	Cricket Debut S2 / AT&T Calypso 4
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Gravity TXT	Samsung M220	HTC HD7 / HD7S	Samsung SCH-A990	Cricket Debut S2 / AT&T Calypso 4