My MTN app has not been working

I’m not able to use my MTN app. It’s not just working. I can’t get Otp too.

I downloaded my MTN app and when I logged in I discovered that the email address is not mine. Please how can I change this email address to mine?

I can't use the my mtn app and also the momo...

How can I get all my received call records from my MTN app?