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Phone	Samsung Sidekick 4G	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Cricket Debut Smart	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	AT&T	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	6.1" diag. 19.5 : 9	5.5" diag. 18 : 9	?
Display Resolution & Type	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	60 Hz	?	60 Hz	60 Hz	?
Battery	?	800 mAh	3,000 mAh	2,500 mAh	?
Processor	1 GHz Samsung Hummingbird Cortex A8	?	2 GHz MediaTek Helio A22 (MT6761WB)	2 GHz MediaTek Helio A22 (MT6761V)	?
RAM	?	?	3 GB	3 GB	?
Storage	? raw hardware	? raw hardware	64 GB	32 GB	? raw hardware
Main Camera	3 megapixel	-	8 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	-	?	1080p HD	-
Front Camera	Yes	-	5 megapixel	5 megapixel	-
Weight	5.7 oz (162g)	2.47 oz (70g)	5.64 oz (160g)	5.64 oz (160g)	5.01 oz (142g)
Dimensions	5" x 2.42" x 0.6" (127 x 61 x 15.2 mm)	4.04" x 1.71" x 0.63" (103 x 43 x 16 mm)	6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm)	5.87" x 2.83" x 0.38" (149 x 72 x 9.7 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Android	Android	BlackBerry OS
Network Bands	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	4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5	CDMA: 850, 1900
Data Technology	HSPA+ 21	1xRTT	LTE (Cat 4)	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	Yes	Yes	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	-	-	-	Yes
Alerts
Ringer Profiles	-	-	-	-	Yes
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes Micro-USB	Yes Mini-USB	Yes USB Type C	Yes USB Type C	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	-
Contacts
Picture ID	n/a	-	n/a	n/a	n/a
Ringer ID	n/a	-	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
Custom Graphics	n/a	-	n/a	n/a	n/a
Custom Ringtones	n/a	-	n/a	n/a	n/a
Real-Music Ringers	n/a	-	n/a	n/a	n/a
Data & Network
WAP / Web Browser	n/a	-	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	-	n/a	n/a	n/a
Side Keys	Yes	-	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	Yes	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	-
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	n/a	-	n/a	n/a	n/a
Photo & Video
DLNA	Yes	-	-	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes *	n/a	n/a	n/a
Software
Games	n/a	-	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	Yes	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	Yes	-	Yes	Yes	-
	* Some versions only
	Samsung Sidekick 4G	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Cricket Debut Smart	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Sidekick 4G	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Cricket Debut Smart	BlackBerry 7750