@Damnation Hello, do all the devices have the same issue when they download the large files? You can try to enable QoS but without other settings changed. Or you can enable device priority of one...

@Capitoneo Hello, you can use the parental control to block certain domains. Below iis the instruction to set it up. https://www.tp-link.com/en/support/faq/1482/ May it help.

@nandha0150 Hello, whatt about other wireless devices? Can they connect to the TP-Link wifi normally? Try to change the wireless settings, including the wireless password/wireless network name,...

@ozs Hello, new feature will be added via the firmware upgrade. And the features added with the new firmware can be defined until the new firmware came out. It is suggested to keep an eye on the Deco...

@PAWDE Hello, please be free to let us know if you need any further help.

@Erfu Hello, what is the current led status of the TL-WR840N?/ You can hard reset it and then try to use the firmware recovery to give it a go. Below is the instruction....