When it's connected to wifi 7 MLO spot (2.4+5 ghz), it can't receive any timely pushed notifications after the phone goes to sleep for a few minutes. Receiving message sometimes gets delayed over 1min or even worse, which results in missed messages or missed in-app calls but sometimes it goes back to normal. It works normally for message pushing when I switch it back to non mlo spot connected. This behaviour looks like an intermittent connection issue on s24 ultra model although I check the connected wireless devices looks normal on my router, which it shows two associated bands are established as long as i expect. I also attempted it to limit the max allowed links via wifi 7 options in connectivity lab to capped at 1 and it works well in this setting due to only single band associated at this time. the S24 ultra model has been upgraded to the most recent version, which is on One UI 8 with Sep 2025 security patch.
Btw, I notice the problem won't be present when I keep the phone awake in any way such as listening to music (with both streaming music one and file playback) using my bluetooth earbuds without screen on. Not sure if it's caused by power management issue right there
