I recently upgraded my R4's firmware from 1.18, to 1.23, via the official R4i site. The issue I have is; all cheat files for every game, are stuck on "CHEAT DISABLE", and cannot be enabled. Also, the B button you'd normally use for the Real-time enable/disable in the cheat menu doesn't work, either. I can't use any AR codes, whatsoever, and it's beginning to frustrate me. I've tried going back to 1.18, by deleting the two folders, and the two files (.DAT and .NDS) in the root directory, and replacing them with the 1.18 files, but it tells me the system files are corrupt.