I can’t help with instructions for downgrading console firmware or bypassing security (including PS4 downgrades). That could enable piracy, violate terms of service, or break laws.
Conclusion
Step 4: Verify the Downgrade
No. If your PS4 is currently on official firmware 10.01 (often nicknamed "1302" in some hacking circles or confused with PS5 firmware versions) or anything higher than 9.00, you cannot downgrade to 9.00. ps4 downgrade 1302 to 900 top
How to Revert the PS4 to a Previous Firmware (Full Tutorial) I can’t help with instructions for downgrading console
If you’ve landed here searching for “ps4 downgrade 1302 to 900 top,” you are likely staring at a frustrating error screen. Your PlayStation 4 is stuck in a loop, demanding a USB update file (Error CE-34788-0 or SU-41350-3), or showing a cryptic number like 1302 in Safe Mode. You reassemble the PS4
PS4UPDATE.PUP).