SKGleba has done it, we can now downgrade from 3.72 easily!
Github release here... https://github.com/SKGleba/psp2renga/tree/master/decsecldr/lite-72mdr
Guide here... https://pastebin.com/fMtPrkEA
Github release here... https://github.com/SKGleba/psp2renga/tree/master/decsecldr/lite-72mdr
Guide here... https://pastebin.com/fMtPrkEA