@Cavedude Good day, Thank you very much for your time and patience. Sorry for the delay. May I know the hardware and firmware version of the TL-MR6400? And I am not quite sure what the exact issue...

@bahobo Good day, Thank you very much for your time and patience. Please refer to the following instruction to check your settings： https://www.tp-link.com/support/faq/1988/ After that, please check...

@MrBee Good day, Thank you very much for your kind feedback. Archer MR600 does not support 40A yet, only 40C; And till now, we did not get any updated news about the 40A compability; We have reported...

@Nemo-Eddy Good day, Thank you very much for your time and patience. Sorry for the delay. For your case, please refer to the following suggestions: Where are you located? Please check if the network...

@MaverickM16 Good day. Thank you very much for your kind feedback. We have reported to the senior engineers already. And it might take some time to release the related firmware. Really sorry for the...

@Cloud007 Good day. Please refer to the first thread to get the answers. Thank you very much for your understanding and support.