Ir remotes swap from M8S to M8S+

Hi guys i have done this in the past but been looking on here for a hours but just cant find the threat?

Got and M8S IR remote and a M8S+ box (long story) in the past i have found a threat about just taking out the remote file in settings i think, but cant find the threat to look at it again please can someone point me in the right direction please or help .

Thanks not doingok