How to change my MoMo number if i lost it, and my account is blocked

I have a momo psb account but I forgot the password, how can I change my password for my account and I did not have any other MTN numbers

I opened momo account, and linked my bvn number . How can I upgrade my momo account .

My name is zakariyya Alhassan my Phone is 09033333323 Good Morning Please help me my MOMO account is locked please Unblock my Account thank you MY MOMO NUMBER IS 09033333323