How can I use Filesystem.readFile on android 10 - 11 with SDK 29-30?

Hello! i have some problem with read file on Android devices. How can I use Filesystem.readFile on Android? now i am using FilesystemDirectory.Data and all time have error “File does not exist”
i added - android:requestLegacyExternalStorage=“true”. But it doesnt work too. Please help me!!)). i rely dont have any one idea how i can do it. i didn`t have this error 2 mounth ago.