When is Bitmain gonna release the overclocking firmware for us 
It's been out for some days allready:
https://support.bitmain.com/hc/en-us/articles/360004733393-B3-Firmware-Upgrade-Instructions
I think he means where we can access the frequency. Like with other antminers, this update only increased the hashrate
I found a setting using SSH in the /config folder for clock speed, but I am affraid to touch it...