@MR.S Thank You! Your solution helped me.

I use the router ER7206 V1 with a hardware controller OC300 V1. After upgrade to firmware version 1.4 from the previous firmware version 1.3 everything operates normally. The only problem I faced was...

@MR.S That would be OK, but unfortunately I do not have a backup ofthe previous firmware. I can make a backup of a present firmware but I am afraid it will not be possible to apply it to downgraded...

I want to downgrade my controller to a previous reliable version. I understand that right now everything is being done to correct the July 2023 version. But when downgrading I will have to apply all...

I am not using cloud access at all, only local. @WizardofMenlow

That is right. I am in the very same situation - after upgrade both of the controllers - OC200 v1 and OC300 v1 operate with no issues. Should I downgrade? I believe we are not alone in the very same...