I completely ****ed my Yonstoptech bs1078 tablet

I believe I've overwritten my OS with TWRP...
It's just a massive GUI, not scaled to the screens size, but everything is unclickable...
I overwrite it with TWRP-2.6.0.0-v973_sdk3.2.zip
I lost the link...
I had this OS: BS1078_WRITE_SN_420M_20141219_3 (That's the filename at least...)

What the **** do I do???
Anyway of solving this through ADB?
I still have both files. Thanks guys :l