I can't check TxBF Beamforming under system parameters and save it. it give me a fail. In fact i can't change anything in system parameters and save it. "Failed" is this a firmware error? case ID 1598

I updated my Archer A7 from 1.0.9 dated 2019-04-15 to newest 1.0.10 dated 2019-06-05. The 1.0.10 causes the CPU load to be above 90% all of the time. I then re-installed 1.0.9 and the CPU load is abou