FWIW, there's a path to downgrade PS4 to the previous firmware, see https://wololo.net/2022/12/06/it-is-apparently-possible-to-revert-your-ps4-to-its-previous-f

FWIW, there's a path to downgrade PS4 to the previous firmware, see https://wololo.net/2022/12/06/it-is-apparently-possible-to-revert-your-ps4-to-its-previous-firmware-version-without-any-backup/ https://wololo.net/2022/12/06/it-is-apparently-possible-to-r...