@trapped after i took this pic download bas back to 40mbps then 13kbps now 1 mbps it just keeps jumping my brother next room in 2nd floor doesnt have internet at all

wifi in some rooms doesnt work, on the app it shows that all decos are working fine, i have 3 decos 1 main another 1 on the same floor and 1 is one floor above, my pc is on the floor above i have...