I have a 7 inch tablet pic hd TV that is locked up on upgrading the Android optimizing app 3 of 31, how can I get it to finish?

[AC Question]

I have a 7 inch tablet pic hd TV that is locked up on upgrading android optimizing app 3 of 31

i have tried holding volume and power button it goes right to optimizing app

 

[B. Diddy]

Re: I have a 7 inch tablet pic hd TV that is locked up on upgrading android optimizing app 3 of 31

Welcome to Android Central! Sorry, but is it a tablet or a TV box? What brand and model is it? If it's a "no-name" brand, then there's a good chance that the firmware or hardware is defective, causing this problem.