Relinked Relinked my nin from each other phone numbers that I'm not use the number

To unlink your phone number from your National Identification Number (NIN) in Nigeria, follow these steps: 1. Contact the Telecom Provider Visit the customer care center...

How can i unlink my nin to other mtn number

Ur question is really not understandable But if u mean how to change the phone number on ur NIN number ,you can visit the NIMC office for further enquiries