Once you've downloaded the firmware update file, follow these steps to install it on your PS4:
Search for "PS4 System Software 9.00 Recovery" or "Update" on sites like DarthSterne or the Wayback Machine . ps4 900 firmware download install
Have you successfully fixed your PS4 900 error? Let us know in the comments below (or share which step helped you). Once you've downloaded the firmware update file, follow