what batch do you have guys?
I have bought the 2nd and the 4th, the first one is perfect, they are running 24/7 withous an issue, but the last batch,
![Angry](https://bitcointalk.org/Smileys/default/angry.gif)
they are faulty & not working propperly
does someone have the same issue? cause I don't want to send them back to bitmain, because it will be more expenses, shipping, customs... is there a way to fix them?