MTN Keeping Clients in the dark.

I tried to log in to my account through their website; unable to do so. Sent an email to ask for assistance after telephoning and being given the runaround even to the extent of being fobbed off with an incorrect telephone number! I'm now told that my account has "been migrated to our new system called Illula and MTN Active/MyContract is not compatible to Illula". I have not previously been made aware of this, and their website has not been updated to indicate it. Now I'm being asked to download an app to up-date my details, but how and where???? Shocking communication and shocking service.