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Phone	Cricket Debut S2 / AT&T Calypso 4	Ericsson R278d	Kyocera KX12	Kyocera DuraXV Extreme / Extreme+	BlackBerry 8703e
Current U.S. Carriers	AT&T	(none)	(none)	Verizon	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	6.1" diag. 19.5 : 9	?	?	2.6" diag. 4 : 3	?
Display Resolution & Type	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	101 x 40 pixels	128 x 128 pixels LCD (STN)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	3,000 mAh	?	1,800 mAh	1,770 mAh	1,100 mAh
Processor	2 GHz MediaTek Helio A22 (MT6761WB)	?	?	2 GHz MediaTek Helio A22 (6761)	?
RAM	3 GB	?	?	2 GB	?
Storage	64 GB	? raw hardware	? raw hardware	16 GB	? raw hardware
Main Camera	8 megapixel	-	-	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	-	720p HD	-
Front Camera	5 megapixel	-	-	-	-
Weight	5.64 oz (160g)	9.28 oz (263g)	4.62 oz (131g)	6.8 oz (193g)	4.7 oz (133g)
Dimensions	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	4.33" x 1.97" x 1.02" (110 x 50 x 25.9 mm)	4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm)	4.3" x 2.7" x 0.8" (109 x 69 x 20.3 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	BlackBerry OS
Network Bands	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8	TDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 12, 13 WCDMA: 1, 2, 5	CDMA: 850, 1900
Data Technology	LTE (Cat 4)	-	1xRTT	LTE (Cat 4)	EVDO r0
Features
Barometer	-	-	-	Yes *	-
Flashlight	Yes	-	Yes	Yes	-
GPS / Location	n/a	-	Yes	Yes	n/a
Ruggedized	-	-	Yes	Yes	-
Water-Resistant	-	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Adjustable Text Size	n/a	-	-	Yes	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	Yes	-	-	Yes
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Mobile Hotspot	n/a	-	-	Yes	n/a
USB	Yes USB Type C	-	-	Yes USB Type C	Yes
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 5 (802.11 a,ac,b,g,n)	-
Contacts
Picture ID	n/a	-	Yes	Yes	n/a
Ringer ID	n/a	-	Yes	Yes	n/a
Voice Dialing	n/a	-	Yes	Yes	n/a
Customization
Custom Graphics	n/a	-	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	-	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	Yes	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	-
Memory
Memory Card Slot	Yes	-	-	Yes	-
Messaging
Email Client	n/a	-	-	Yes	n/a
EMS / Picture Messaging	n/a	-	Yes	-	n/a
Instant Messaging	n/a	-	-	-	n/a
MMS	n/a	-	-	Yes	n/a
Text Messaging Templates	n/a	-	Yes	Yes	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	Yes	-
Music Player	n/a	-	-	Yes	n/a
Power
Fast Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	-	Yes	Yes	n/a
Calendar	n/a	-	Yes	Yes	n/a
To-Do List	n/a	-	-	-	n/a
Voice Memo	n/a	-	Yes	Yes	n/a
Software
BREW	n/a	-	Yes *	-	n/a
Games	n/a	-	Yes	-	n/a
Java (J2ME)	n/a	-	-	-	n/a
Voice
HD Voice	Yes	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	-	Yes	-	n/a
Push-To-Talk	-	-	Yes	Yes	-
Speaker Phone	Yes	-	Yes	Yes	Yes
	* Some versions only
	Cricket Debut S2 / AT&T Calypso 4	Ericsson R278d	Kyocera KX12	Kyocera DuraXV Extreme / Extreme+	BlackBerry 8703e
	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	Ericsson R278d	Kyocera KX12	Kyocera DuraXV Extreme / Extreme+	BlackBerry 8703e