False Advertising,poor service

I signed up for a new contract for my granddaughter in January which included a promotion on 30g data for the first 3 months. It is now March and we still have not received this data. Below is the last communication received. please note that this messages was sent last week Monday.

Good day,Please note that case ********** 5 is being attended & the Promo data will be loaded within 72 hours. Apologies for the inconvenience

Please fix this immediately I'm tired of calling yourl and not getting assistance.