Overcharge on Contract

I am a customer who was moved from Nashua Mobile to Autopage due to the former's closure.<br> <br> When I was moved over I expected my contract to be transferred like for like, my contract been 100 free minutes plus 1 GB with Cell C through Nashua Mobile.<br> <br> Since the transfer I am paying more and more for my data usage and I have phoned the call centre three times and visited a branch of Autopage over the last few months to explain this.<br> <br> Today I was told I only receive 100mb of data, not a 1GB. I explained that that was not my conditions under Nashua Mobile. The consultant, Anele, was incredibly helpful, but said I must provide proof that I took out a contract that was inclusive of 1GB data a month.<br> <br> Surely they should have my records from the hand over. Feeling increasingly frustrated and ********** by this.