@SayeemAhmed This is 2.4 GHz with 20 MHz

@Solla-topee They said that...... Hi, Many thanks for your valued reply. This problem cannot be solved temporarily, I hope you can understand that it should also be difficult to solve in the future....

@m5owner First of all delete the already installed app from your phone and then install the app which has heatmap option.

@PowerH You can install the firmware 1.4.0 from the link below. 👇 https://community.tp-link.com/en/home/forum/topic/856648?moduleId=39

@nabu You can try this beta firmware which is working great for me. https://static.tp-link.com/upload/beta/2025/202511/20251127/m4r-ver1-8-1-20251125.zip

Hello !! Can you please fix the client devices showing under (other) category in Deco App since a long time and still not fix this issue yet. Can you please fix it ASAP.