Bookmarks the official Sony page. The direct link changes, but the main support page is your safest bet.
The console will read the USB drive, verify the integrity of the PS4UPDATE.PUP file, and begin the installation. Do not turn off the console, unplug the power cable, or remove the USB drive during this process, as doing so can permanently brick the system hardware. The PS4 will automatically restart once the installation completes. Troubleshooting Common Errors "An error has occurred. (SU-41350-3)" This error means the system cannot find the update file. ps4 900 firmware download install