https://releases.broked.net/Z11StockSSHNoSignature.zipThis is the stock Z11 firmware dated Tue Mar 12 19:47:06 CST 2019
+ SSH has been enabled
+ Signature checking has been removed for future firmware updates
+ Protection against the known antminer malware has been added
+ No Dev-Fee/Call-Home
+ No additional features or changes exist.
This can be used to enable AwesomeMiner to manage your Z11 ASIC.
SHAH256: 4c034f823a68d4a05254630a8082bad13136b3ae85399a3cfae2aac00227fb70 Z11StockSSHNoSignature.zip
MD5SUM : 393430f23dd7ac3db0740ef7acabcc6f Z11StockSSHNoSignature.zip
That will need to be installed via SD card:
1) Format SD card 32GB or less as FAT32
2) Extract zip file contents to root of SD card
3) Power off miner.
4) Insert SD card, power on miner.
5) WAIT (30-60 seconds) for lights to go off to the right of the ethernet port.
6) Unplug miner, remove SD card.
7) Plug miner back in.

[optional] Install firmware of your choice.