please see my other post for full details about Bitmain's con tricks:
https://bitcointalksearch.org/topic/m.15833273In summary:
I bought 2 S9's - one of them broke within 2 hours of being switched on.
Bitmain refuse to repair it.
I am suing them.
I WARN ANYONE NOT TO BUY ANYTHING FROM THESE CON ARTISTS
here is there email to me:
I have 5 Antminers, 4 S'7's and 1 other S9 all running in the exact same environment. same temps - same power system etc.
This one S9 had a faulty hashing board within 2 hours - Bitmain refuse to fix it.
CONCLUSION - Stay away from Bitmain.
I have spent over $14,000 USD with these scumbags and now they SH*T on me like this !!! Unbelievable.
I am going to sue them through my very powerful lawyers in Hong Kong that will surely cost them a lot. I don't care how much it costs me - I just want to waste as much of their time as possible.
I will keep you all posted as to what happens.