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Downgraded CECHA 4.11 to 3.55 RLOD issue

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Maybe you awesome people can help me out here with understanding what is wrong with this console.

This is a CECHA-01 with a COK-001 board. The system was originally on 4.11 and I have a progskeet with a NAND clip.

I have taken a 4.11 image and have tirelessly verified it using ps3dev.net flash page to check sizes, magic details, and contents where I could. I am convinced that my dump is correct.

I first did the downgrade patch that overwrites the revoke lists and did a service mode downgrade to Rogero 3.55 NoBD. This completed without error. I then installed 3.55 OFW in service mode to start the dehash and that completed with an error writing the Bluray revoke package. The system booted up and I installed the 3.55 OFW in service mode again to attempt to complete the dehash. This resulted in the same error. I had a lot of trouble getting anything other than Rogero to install without problems. I tried to install the 3.55 OtherOS++ firmware and that presented many problems. I started to suspect that the firmware was not dehashed properly so I ran the install of 3.55 OFW in service mode using a noBD lv2diag.self file. This killed it.

The system now starts and shuts down in 2 seconds using the following light pattern: Red (initial), green (power pressed), yellow (.5 second steady), red (flashing until power pressed).

It does not respond to attempts to get into service mode from jig nor does it function any differently after restoring the 4.11 dump.

I have some decent hex editing and diagonstic skills so if anyone has anything for me to try, I can certainly try it and report the results. I love this launch unit and want it to function as long as it can.

Thanks again for the help in advance.

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