@btan Hi, if your TL-WA854RE is V4, it is also suggested to keep firmware updated. The latest official firmware-TL-WA854RE(EU)_V4_1.0.13 Build 231115 should fix this issue already....

@Bankendbob Hi, welcome to the community. Have you tried to factory reset this unit once(by holding the bottom reset pinhole for 1s), then move it closer to the main Deco and add it to the mesh...

@SamuelSylvester Hi, May I know how long you have had the RE205? Did the issue start recently? RE205 supports both 2.4GHz and 5GHz. Were mobile phones having the same issue on both wireless bands?...

@JayTeeWashDC Hi, Thank you very much for the feedback. Have you tried to set Deco S4 to Access Point mode to see whether it helped: How to set up Deco to work in Access Point mode And if possible,...

@RodrigoGL Hi, welcome to the community. Here are some suggestions for your reference: 1. change the WAN DNS server to 8.8.8.8/8.8.4.4. 2. Make sure the Deco APP is up-to-date. The latest Deco APP...

@Anjerlaan Hi, Thank you very much for the feedback. I think you could refer to the following suggestions: 1. Make sure the Deco APP is up-to-date. The latest Deco APP should be 3.7.55 for...