What if we replace all of SELFs (exepct for vsh.self because it will force recovery) and SPRXs and RCOs files in our 4.82 consoles with 4.50 ones and then try to install 4.50 PUP in recovery won't we be able to downgrade to 4.50 (ofcorse the console minver should be 4.50 or lower for it to work...