@Zeromila Thanks for your information. Try to change the DHCP server of 850RE from off to on and customize the DHCP settings to give it a go. You can refer to Case 3 of this thread....

@Gary.c-9 Below is the instruction to configure the extender via WPS button. https://www.tp-link.com/support/faq/874/ If it still does not work, please reset it by holding the reset hole for 1s with...

@Rommell16 What does tethering speed mean? Could you please provide more information? Thanks a lot.

@cas_vis95 Could you please provide a screenshot of the settings- status page on TL-WA850RE when this issue happened? And please show us a screenshot of the settings-network-DHCP settings page as...

@iliasefty Try to reset it by holding the reset button for 1s with the extender powered on. Then you need reconfigure the extender. https://www.tp-link.com/support/download/tl-wa854re/#video Note:...

@Croz Thanks for your valued reply. Cause the current firmware is up to date, and you have done some troubleshooting but no avail, to help you to figure it out, we would like to follow up your case...