If one have Xperias 64-bit devices like Xperia 10 II or 10 III with paid sailfish licence XT9 can be extracted using this command:
You need to install zypper first: pkcon install zypper
mkdir -p xt9-rpms; for i in $(zypper pa -r xt9 | fgrep xt9 | cut -s -f 3 -d ‘|’); do pkcon download xt9-rpms $i; sleep 1; done