As Yarvik has dropped down the support for his older devices I uploaded here the files you’ll need to reflash (or update) it.
Download the correct firmware for your model’s ID number below.
Android 4.1.1 Jelly Bean firmware Yarvik TAB9-200 Xenta 97ic ID27189 – DOWNLOAD
Android 4.1.1 Jelly Bean firmware Yarvik TAB9-200 Xenta 97ic ID27224 – DOWNLOAD
Firmware Flash Tool + Driver –DOWNLOAD
Firmware Flash Instructions –DOWNLOAD
If you flash the wrong firmware then your tablet will get bricked and you have to follow the steps on this post.