@gwenthehen My Pleasure 🤗

@gwenthehen You can go for Deco X20, X50 or X60 (3) pack mesh system because Device Connection Preference can't work when you mixed the Decos like S4, M4 and M5 or X10 X20 or X50 so it's better to...

@David-TP I HAVE FOUND THE SOLUTION AND I POSTED ON FORUM TOO. CHECK IT OUT NOW 👇🏻 https://community.tp-link.com/en/home/forum/topic/812014

Hey Deco Users !! Few days ago i tested these settings and after that my satellite decos are not showing offline anymore in Deco App. I saw that same settings by default on Deco X20 and so i decided...

@LyonHuang Go for Deco BE85 which has 2 ports of 10 Gbps and 2 ports of 2.5 Gbps

@David-TP Turning Beamforming ON & OFF does'nt change anything on mobile devices even the signals strength still remains same but i think Transmit Power will change the whole connection performance...