Ematic AGT419 4K (UltraHD) Quad Core Android TV Box. How to clear the cache in it please Larry?

Question edited for a lot more clarity.
Question moved to Android TV.

Super Easy X96 Android Box Screen Size Setup

freetvbox.ca https://freetvbox.ca > Blog
X96 Android Box Screen Size Setup · Turn on your TV Box · Select your Apps folder · Select Droid Settings · Select Display · Select Zoom Out · Set it to about 90% to ...

How To Adjust The Screen Size on an Android TV Box

freetvbox.ca https://freetvbox.ca > Blog
Turn on your TV Box · Select your Apps folder · Select Droid Settings · Select Display · Select Zoom Out · Set it to about 90% to fit most TV Screens ...

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Hello, Earl -

If you are asking about the Ematic EWT106-BL 10 inch HD Quad-Core Tablet, then the answer is:
Yes it has front and back cameras.

See the description of the tablet here:
http://www.sears.com/ematic-ewt106-bl-10inch-hd-quad-core-tablet/p-SPM9135690317

Front and back cameras (Frontnback) are in the second to last line of the product description.

Best wishes.

You have a microphone on. Check your audio settings.

Possible boot loop. Look up on YouTube and see how to 'Clear the cache', and see how it works out...

Having connected to your WiFi router, (Choose yours by SSID (name) and supply the correct password) you then need to open a web-browser or other internet-enabled service (E-mail, Skype etc).

Please provide error messages to trouble-shoot further.

battery low or not enough battery left or need a new one!!

Pages 12 & 13 of the User Manual. Click on "User Manual" at the following site... http://www.ematic.us/tablets/7-hd-quad-core-android-42-egq307

You have to replace its battery its damaged

The OS is Android. Try this and see if it works, I had a android phone that gave me the same error a few times.
settings/app manager/googleplaystore/clear cache