Earlier this year, third-party developers started receiving PS5 development kits, but Sony claimed that the hardware specifications were not the final ones. A new leak coming from a Russian site depicts what looks like one of the development kit PS5 consoles running in bootloader mode. While the design seems credible, the bootloader screen is iffy at best.
https://www.notebookcheck.net/Supposedly-fake-photos-of-PlayStation-5-prototype-surface-online.370171.0.html