How do I find videos to assist teardown repair and reassembly of trio axs 4G tablets?

Yes the android system would be 4.4 android where android 12

It is best
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Hi turn tablet off then hold power button & volume up button at the same time let go power button when screen comes on ,& when Android pops up let go of volume key use volume button to scroll to factory reset . cheers

hi alma.
go to this link and see if you can see your manual.
manual for trio AXS 4G Google Search

You really need this to be done by a professional.

What is the make and model of the tablet?

On the AXS what does the reset button under the headphone jack on the back...

https://cdn.shopify.com/s/files/1/0632/6269/files/Trio_AXS_User_Manual.PDF?1109
ive got some bad news for you,the tablet is stolen or was sold mistakenly,it is only a demo unit,you cannot do anything with it

Dc, I know very little about axs4g so I did a google search and It looks like you should delete the app watchdog. Check the attached links,instruction and guides, Good luck
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Take trio AXS 4G OUT od demo mode My trio AXS 4G somehow is in demo mode...
Trio Tablet Support