CHANGING YOUR DETAILS IS A NIGHTMARE

After more than 1 hour on the phone speaking to 3 people I still cant change my details. My details were correct when I opened my account with MTN 4 months ago then for some reason MTN changed my email and added a letter to my email address, I received my statements before and now upon requesting them again I noticed the change in my email and I cannot change it myself. I ended up phoning them and after more than 1 hour and talking to 3 different people there's some error which they have to escalate it and requested I should phone them back tomorrow. This is the worst service for 1 small change that MTN did and I have to wait to fix.