help me for best settings indoor APs

Hi,

I want the best settings for indoor APs
using RB951G-2HnD as main AP and RB333+R52-350 as second AP using the same ssid




as above show my current setup and below shows the current configuration but i face problem when i move from AP1 to AP2 seems is not auto switch i have to disable & re-enable my WIFI on my mobile/laptop as well as when I’m on ap2 it’s very slow & disconnect frequently

RB951G-2HnD

RB333+R52-350






thanks

Channel must by different from each other

once i change the channel (SSID not appear )
anyhow i have changed the frequently only , now is under observe