MD5:b6fbe10a11233aaf27a7b1b6a093828a

1.Support HashRate Unchanged-Lower Voltage feature.

2.Enhance anti-virus capability. 

3.S9_Hydro multi-option user firmware which provides the options that can increase the hash rate or decrease the power consumption. It is only for 7010 xilinx control board.
4.Secure firmware with signature, SSH port is closed 
5.It is possible to damage the miner if you use a high frequency setting, and also please make sure the miner is in a good situation and the capacity of power supply is enough before you apply a over frequency setting
6.A small number of miners may have low hash rate and instability issue after over frequency. Please use lower over frequency option, or choose "Normal" option.
7.Please read the instructions before using the firmware:https://support.bitmain.com/hc/en-us/articles/360023715154
*Please use the firmware in strict accordance with the operating instructions. If the machine is scrapped due to improper use, it will not be guaranteed according to the after-sale policy.