Is downgrading impossible? No. But it is extremely difficult, expensive, and requires soldering. This is known as a or "Syscon Flashing."
Before attempting to downgrade a PS4, users should carefully consider the risks and ensure that they have a thorough understanding of the process. Additionally, users should only download the PS4 Tool Downgrade V1.00 from reputable sources to minimize the risk of bricking their console. Ps4 Tool Downgrade V1.00 Download