Can I re-register my sim to correct my second name to square up with the one in my NIN slip

Dear Yomi, You can re-register your SIM to correct your SIM registration details to be the same with your NIN.

You can visit MTN shop to re-register your line. Kindly take along with any one of these valid government issued IDs: Your NIN slip, Your Voter’s Card, Your Driver’s License, Your international passport. Please note that your NIN is mandatory.

Kindly dial *123*7*1# to get information on the location of any shop closer to you. When you dial the code, you will be required to enter your State, then your Local Government Area, you will receive SMS on the nearest MTN office address in your location, or you can use this link: https://www.mtnonline.com/personal/find-a-store/