Terrible/NO service from MTN via MONDO for upgrade
I have tried to upgrade one of my cellphone contracts for 2 months now. Keeps on asking me for a authentication letter. Send it, phone them again they log a query. Again sent authentication letter. Still no feedback for upgrade. Then I get sms to send application documents such as payslips.  NOT A NEW APPLICATION, had this phone number and contract for 5 years. Phoned MONDO again. Query logged. Now 2 weeks, still NO FEEDBACK ON UPGRADE. I think I must just cancel this contract with MTN.