Anyone knows why the r1 has three hashboards but just one working

No, because you didnt tell us anything with logs and etc.

https://i.ibb.co/LCV0pDY/Screenshot-2021-07-09-15-04-07-206-com-android-chrome.jpg
https://i.ibb.co/315h4R4/IMG-20210709-150254-2.jpg

I try different firmware, but just one shows "please note the miner is auto tuning" but hashrate of three hashboard is 0 my
the others even said anything