Slow Speed on Safari, Appstore

[prodbyevilly]

Hey!

i was installed big sur on my t440p following the tutorial. i noticied with wi-fi connection, the download speed on Safari, App Store or other Apple things, i only can get like 50/60 kbps of speed (my isp provide me 200mb/100mb). This thing only happen on this apps, if i use for example, google chrome, or transmissibilidade, my download speeds are normal. I tried with the Regular EFI (50/60kbps) and Heliport EFI (27/30kbps). My wifi is dual band wireless ac 7260. Can you help me?

edit: Speedtest on both browsers are normal! Sometimes i can get more than 200mb