@Kevin_Z I've just sent a reply to your private message.

@Kevin_Z Thanks for your response! But the problem is that I could not wait any longer (as I mentioned) and, since the Engineers did not respond, I removed the BE230 from the network. I then added a...

@Kevin_Z I was contacted by the Engineers and given two special firmwares to test, one for the BE230 and one for the BE550. They also said that if the problem would persist, they would try to help me...

@Kevin_Z Thank you! I'll be waiting for contact from the engineers then.

@Pj-tips Hey, thank you for your response! But the problem remains unchanged: the BE230, either as a main router or satellite, cannot properly load an HDD/SSD/pendrive, no matter what. The same...

@Pj-tips Not sure if I'm understanding you correctly, but the only weak link in my chain is the BE230 - if I attach a drive/drives to either BE550, everything works as it should. Thanks!