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Phone	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Sony Ericsson K850	Samsung SPH-A250	Nokia Lumia 810
Current U.S. Carriers	(none)	AT&T	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	6.1" diag. 19.5 : 9	2.2" diag. 4 : 3	?	4.3" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (STN)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	?	480 x 800 pixels (~217 ppi) AMOLED
Display Refresh	?	60 Hz	?	?	?
Battery	800 mAh	3,000 mAh	?	?	1,800 mAh
Processor	?	2 GHz MediaTek Helio A22 (MT6761WB)	?	?	1.5 GHz Qualcomm Snapdragon
RAM	?	3 GB	?	?	1 GB
Storage	? raw hardware	64 GB	? raw hardware	? raw hardware	8 GB
Main Camera	-	8 megapixel	5 megapixel	-	8 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	-	1080p HD
Front Camera	-	5 megapixel	-	-	1 megapixel
Weight	2.47 oz (70g)	5.64 oz (160g)	4.2 oz (119g)	2.82 oz (80g)	5.11 oz (145g)
Dimensions	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)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)	2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	(proprietary)	(proprietary)	Windows
Network Bands	CDMA: 850, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	LTE (Cat 4)	HSDPA 3.6	-	HSPA+ 42
Features
Flashlight	-	Yes	-	-	-
GPS / Location	Yes	n/a	-	-	n/a
Accessibility
Adjustable Text Size	-	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	-	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	-	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	-	Yes
Mobile Hotspot	-	n/a	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes Mini-USB	Yes USB Type C	Yes	-	Yes Micro-USB
Wi-Fi	-	Yes 5 (802.11 a,ac,b,g,n)	-	-	Yes 4 (802.11 a,b,g,n)
Contacts
Picture ID	-	n/a	Yes	-	n/a
Ringer ID	-	n/a	Yes	-	n/a
Voice Dialing	-	n/a	Yes	Yes	n/a
Customization
Custom Graphics	-	n/a	Yes	-	n/a
Custom Ringtones	-	n/a	Yes	-	n/a
Real-Music Ringers	-	n/a	Yes	-	n/a
Data & Network
Data Tethering	-	n/a	Yes	Yes	n/a
WAP / Web Browser	-	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	-	n/a	Yes	Yes	n/a
Side Keys	-	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	Yes	-	n/a
MMS	-	n/a	Yes	-	n/a
Text Messaging Templates	Yes	n/a	Yes	-	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	Yes	-	n/a
Photo & Video
Video Calling	-	n/a	Yes *	-	n/a
Power
Fast Charging	-	Yes	-	-	-
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	Yes	Yes	n/a
Voice Memo	Yes *	n/a	Yes	-	n/a
Software
Games	-	n/a	Yes	-	n/a
Java (J2ME)	-	n/a	Yes	-	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	-	Yes	n/a
Speaker Phone	-	Yes	Yes	-	Yes
	* Some versions only
	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Sony Ericsson K850	Samsung SPH-A250	Nokia Lumia 810
	X >	< X >	< X >	< X >	< X

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


Phone	Cal-Comp EZ	Cricket Debut S2 / AT&T Calypso 4	Sony Ericsson K850	Samsung SPH-A250	Nokia Lumia 810