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)
Instructions and information about the LG Imei repair function
Description of the reworked LG Repair IMEI Procedures
Operation of Patch Cert, and a possible workaround if not successful:
Information about the IMEI repair function
Installing the drivers and why they are needed
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