one ui 8 IYG5 test version downloadable linkAlso csc needs to be euxhttp://fota-secure-dn.ospserver.net/firmware/EUX/SM-F936B/nspx/384ef6b6a466460e8c8ebeca02a1a6ae.bin?px-time=687f770e&px-hash=20ac87fdcdd525a98a7000827e1fc6c1