Hi, Try to access the firmware upgrade menu to load an English version. To identify where it is, have a look to emulators : http://www.tp-link.com/en/support/emulators/?model=TL-WR941ND

Yes it's possible but you have to enter into the TP-Link menus to set properly the WDS link. Are you able to access the default wireless signal of the TP-Link?

Hi, You don't need to wire your TL-WR841ND if you're able to access the menu wirelessly (192.168.0.1 in your browser).

I'm doing a lot of tests with my WDR4900 and I have been obliged to roll back the firmware because of poor throughput. I identified that when choosing channel 9 it selects channel 5 for the extension...

Hi, You're using the worst version of firmware, install a preceding...

Hi, Increase the lease time to the max or try to don't use the DHCP client/server process in setting static IP...