How To Change Antminer Locked Settings (Fan+Freq+Temp Override) Running Official Antminer Firmware By Google Chrome, Just Follow Those Simple Steps :
1- Boot Your Miner
2- Go To Miner Config Page
3- Right Click Anywhere On The Page And Select Inspect (Or Press Ctrl+Shift+i)
4- Search For "none" In The Code Using CTRL+F
5- Your Aim Is To Find This Phrase In The Code And Delete it wherever you find it(style="display:none") you can edit code by double clicking then when selected press backspace or del.
6- When All Phrases Deleted Single Click Anywhere In The Code Then Close The Inspector Hidden Settings Will Appear
7- Edit The Settings To Your Preference Then Click Save Your Miner Will Reboot With Your New Settings
P.S: BE CAREFUL Not To Over Heat Your Miner And Keep The Over Temperature Protection Always On, Fan Changes Will Take Effect When Control Board Boots ~2 to 3 Minutes From When Plugged Enjoy And Happy Mining !
Currently I Am Working On Antminers and i succeeded to raise their efficiency to 53W/TH (Default Was 90W/TH), And working on miner management and locked settings access software (opensource and free), next step will be DIY water cooling system for S9, all info will be shared with community when projects completed.Aiming To Work On Other Miner Models Like S17's And T17's To Pull Out The Most Out Of Them As I Am Doing With The S9 but can't afford it right now.
If You Have Any Questions Or Need Any Support Regarding My Post I Will Be More Than Happy To Help You
Good Mining Everybody And Stay Home Safe ! <3