Are you looking for solution to repair IMEI number on new Samsung phones or just want restore a backup/purchased cert file?
Check this tutorial to get your questions answered.
Manual Root methode for Galaxy S9 (SM-G960F) & Galaxy A7 2018 (SM-A750F)
Operation of Patch Cert, and a possible workaround if not successful:
ClanGSM is not our official forum but it can bring help to all our Spanish-speaking customers, since the questions asked are answered by professionally relevant users and administrators there.Open forum
This is our official English-language forum. We recommend it for all of our users, because many problems and errors have been described and answered here over the years.Open forum