How can I recover my MTN Cameroon SIM card here in the UAE? I lost my SIM it's linked to my what'sapp . I have I.D

How can I recover my MTN Cameroon SIM card here in the United Arab Emirates?? I lost my SIM and it's linked to my active what'sapp which has been logged out for verification. How do I recover my what'sapp I have my I.D cards and all documents thanks.