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Phone	Cricket Debut S2 / AT&T Calypso 4	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)	Motorola Q9m / Q9c	Samsung SCH-A645
Current U.S. Carriers	AT&T	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	6.1" diag. 19.5 : 9	3.5" diag. 5 : 3	?	2.4" diag. 4 : 3	?
Display Resolution & Type	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	3,000 mAh	?	1,000 mAh	1,170 mAh	1,000 mAh
Processor	2 GHz MediaTek Helio A22 (MT6761WB)	Apple A4	?	PXA27x (ARM920T)	?
RAM	3 GB	?	?	?	?
Storage	64 GB	32 GB *	? raw hardware	? raw hardware	? raw hardware
Main Camera	8 megapixel	5 megapixel	-	1 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	?	-
Front Camera	5 megapixel	Yes	-	-	-
Weight	5.64 oz (160g)	4.8 oz (136g)	4.66 oz (132g)	4.76 oz (135g)	3.2 oz (91g)
Dimensions	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)
Form Factor	Slab	Slab	Slide	Slab	Clamshell
Platform / OS	Android	iOS	(proprietary)	Windows Mobile Standard	(proprietary)
Network Bands	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	CDMA: 850, 1900 AMPS: 850
Data Technology	LTE (Cat 4)	HSPA 7.2	-	EVDO r0	1xRTT
Features
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	-
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3 (mostly compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	-
Mobile Hotspot	n/a	n/a	-	n/a	-
USB	Yes USB Type C	Yes	-	Yes Mini-USB	-
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	Yes	n/a	Yes
Ringer ID	n/a	n/a	Yes	n/a	-
Voice Dialing	n/a	n/a	Yes	n/a	Yes
Customization
Custom Graphics	n/a	n/a	-	n/a	Yes
Custom Ringtones	n/a	n/a	-	n/a	Yes
Real-Music Ringers	n/a	n/a	-	n/a	-
Data & Network
Data Tethering	n/a	n/a	-	n/a	-
WAP / Web Browser	n/a	n/a	-	n/a	Yes *
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	Yes
Side Keys	Yes	Yes	-	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	-	-	Yes	-
Messaging
Email Client	n/a	n/a	-	n/a	-
EMS / Picture Messaging	n/a	n/a	-	n/a	Yes
MMS	n/a	n/a	-	n/a	-
Text Messaging Templates	n/a	n/a	-	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	-	-	-
Music Player	n/a	n/a	-	n/a	-
Stereo Speakers	-	-	-	Yes	-
Photo & Video
TV Output	-	Yes	-	-	-
Power
Fast Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	Yes
Calculator	n/a	n/a	Yes	n/a	Yes
Calendar	n/a	n/a	Yes	n/a	Yes
To-Do List	n/a	n/a	Yes	n/a	Yes
Voice Memo	n/a	n/a	Yes	n/a	Yes
Software
BREW	n/a	n/a	-	n/a	Yes *
Games	n/a	n/a	-	n/a	Yes *
Voice
HD Voice	Yes	-	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	Yes	n/a	Yes
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Cricket Debut S2 / AT&T Calypso 4	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)	Motorola Q9m / Q9c	Samsung SCH-A645
	X >	< X >	< X >	< X >	< X

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


Phone	Cricket Debut S2 / AT&T Calypso 4	Apple iPhone 4 (GSM)	Samsung SPH-N270 (Matrix Phone)	Motorola Q9m / Q9c	Samsung SCH-A645