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Phone	Samsung SGH-X820	Kyocera Echo	Motorola Rival A455	Alcatel Idol 4S	VK Mobile Kickflip
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Not yet released	Released
Display Size	?	3.5" diag. 5 : 3	2.2" diag. 4 : 3	5.5" diag. 16 : 9	?
Display Resolution & Type	220 x 176 pixels LCD (TFT/TFD)	480 x 800 pixels (~267 ppi) LCD (TFT/TFD)	176 x 220 pixels (~131 ppi) LCD (TFT/TFD)	1440 x 2560 pixels (~534 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	650 mAh	1,370 mAh	940 mAh	3,000 mAh	?
Processor	?	1 GHz Qualcomm Snapdragon S1 QSD8650	?	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)	?
RAM	?	?	?	3 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	32 GB	? raw hardware
Main Camera	2 megapixel	5 megapixel	2 megapixel	16 megapixel	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	QVGA (320 x 240)	4K UHD	QCIF (176 x 144)
Front Camera	-	-	-	8 megapixel	-
Weight	2.33 oz (66g)	6.8 oz (193g)	4.48 oz (127g)	5.26 oz (149g)	4.47 oz (127g)
Dimensions	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	4.53" x 2.22" x 0.68" (115 x 56 x 17.2 mm)	3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)	3.88" x 1.96" x 0.98" (99 x 50 x 24.9 mm)
Form Factor	Slab	Slab	Slide	Slab	Swivel
Platform / OS	(proprietary)	Android	(proprietary)	Android	(proprietary)
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EDGE	EVDO rA	EVDO r0	LTE (Cat 4)	EVDO r0
Features
Fingerprint Reader	-	-	-	Yes *	-
Flashlight	-	-	-	Yes	Yes
GPS / Location	-	n/a	Yes	n/a	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	-
Hearing Aid Compatible	-	Yes	Yes	Yes	Yes
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Mobile Hotspot	-	n/a	-	n/a	-
NFC	-	-	-	Yes	-
USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 5 (802.11 a,ac,b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	n/a	-
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	Yes	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	-	n/a	Yes	n/a	Yes
Dual-SIM	-	-	-	Yes *	-
External Antenna Jack	Yes	n/a	-	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	-	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	Yes	Yes	Yes	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	Yes	n/a	Yes	n/a	-
EMS / Picture Messaging	Yes	n/a	Yes	n/a	-
Instant Messaging	-	n/a	Yes	n/a	-
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes	n/a	Yes
Music
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	-	n/a	Yes	n/a	Yes
Stereo Speakers	-	-	-	Yes	Yes
Photo & Video
Miracast	-	-	-	Yes	-
TV Output	Yes	-	-	-	Yes
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	Yes	n/a	-	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
BREW	-	n/a	Yes	n/a	-
Games	Yes	n/a	Yes	n/a	Yes
Java (J2ME)	Yes	n/a	-	n/a	Yes
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	-	n/a	-	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-X820	Kyocera Echo	Motorola Rival A455	Alcatel Idol 4S	VK Mobile Kickflip
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X820	Kyocera Echo	Motorola Rival A455	Alcatel Idol 4S	VK Mobile Kickflip