Fc Mobile Connection Problem

I've been playing fc(fifa)mobile since 2022 I don't face any problem in fifa mobile when fifa mobile changed to fc mobile I've been facing a lot of bugs now I report this note because division rivals CONNECTIONS problem even though I have good wifi or internet it still happening I tried with vpn but it make my PUBG goes higher 200ms+ when I don't use vpn 100ms+ and most of the time I can't even play.i hope you guys fix this problem really soon.:)