For 99% of retail PS4s: Once you burn an efuse, you can’t un-burn it.
: Added Spanish and Russian language options to the interface. Understanding the Downgrade Process ps4 tool downgrade v1.00
If you haven't backed up your unique console data (the "dump") before a hardware failure or a bad flash, you risk permanently "bricking" the system. For 99% of retail PS4s: Once you burn