@Tutuka28 What about other devices connected to the main router? Do they lose internet connection? What is the led status of the TL-WA850RE when it stops working? Are you able to access internet from...

@MikhailB Yep, you can refer to the picture attached below as well.

@Prope What is the model number of the Mikrotik router? You can show us a screenshot of the back label of the actual device. Try to log into the web UI and show us a screenshot of the 2.4GHz wireless...

@Abdullah31 What is the model number of your TP-Link device? Usually, the password is printed on the back label of the actual device. If it is a range extender, the password is the same as the main...

@cpanazio Have you ever enabled QoS on the Archer AX6000? If so, please swipe it out and select standard, do not enter bandwidth. After that, please test the upload speed you can get. And what about...

@callmemarsh Sure, you can try this beta firmware attached on my reply. https://community.tp-link.com/en/home/forum/topic/175434?page=1 Besides, you can reduce the number of smart home switches...