I bought data 500 from my MTN app,I made transfer and since yesterday I hv not been credited my data yet!!

I bought data of 6,500 with my mtn app and my line wasn't crdited

I bought data from my mtn app and paid with bank transfer , I'm yet to see the data cos I've been debited

Fraud my phone was stolen but and I got it back but. Yesterday I came to realize that someone Link my number to his or her mtn app and gas been transferring from my data since...

How can i get the mtn number i transfer data to. How can i get the mtn number i bought data for via my credit