Hello all!
First, I would like to apologize to all readers for my bad English.
So as topic state i have a problem downgrading PS3.
What i do so far: N.B. its not my first downgrade.
1. Dump nor files.
2. Validate it. All is OK
3. Patch it…
PS3 downgrade solid green light, no video, no recovery
Source: PS4 News – PS3 downgrade solid green light, no video, no recovery