@sajjadrabbi Hi, This issue is mainly caused by that the EU version of Deco E4 did not support band 4. so if the mobile devices are band 4 only, they would fail to detect any 5ghz signal of the Deco....

@WizzieL Hi, Sorry for the mistake. The firmware I have sent is 1.4.1 Build 20200721 Rel. 24433; so you actually wish to downgrade the main Deco's firmware back to 1.4.1 Build 20200714, right? PS:...

@Bahar9 Hi, in this way, it might be due to the 5Ghz channel issue. The EU version of Deco is not supported band 4 yet so if the smartphones are band 4 only, they might fail to detect the 5ghz; For...

@AQuinn Hi, Where to check the working mode: Please go to More>advanced>operating mode As for the port forwarding, please refer to this link: https://www.tp-link.com/en/support/faq/1797/ thank you.

@Suffian Thanks a lot for your feedback. I would be glad to report this feedback to the senior engineers for further assistance. If anyone had the same request, please feel free to update here. Thank...

@Moose-in-NC Thanks a lot for your feedback. I would be glad to report this feedback to the senior engineers for further assistance. If anyone had the same request, please feel free to update here....