********** upgrade of accounts

On 24.01.2016 I received an SMS to notify me that an upgrade was done on my MTN account. I phoned the call centre a day later to enquire but was told no upgrade was done on any of my accounts. A few days later I received another SMS stating that my account at MTN was upgraded. I visited the MTN store in Ballito to enquire on 6.02.2016. I was informed that both my data account nr ***, and my cellular phone account nr ***, was **********ly upgraded to a talk 100 and new cellphones were issued on these accounts. I immediately obtained an affidavit at the police station and this was handed in at the MTN shop the same day. I was assured this would be resolved within 14 days. Its been a month and I cannot get any info regarding this process. Ive had no wifi and need to run my business through data on my cellphone. This issue needs attention please