Contract I did not sign implemented

I was contacted on 17 March 2015 by Thabo (from Menlyn branch) 5 MONTHS BEFORE MY EXISTING CONTRACT EXPIRED (expiry date for existing contract was end of August 2015). After a telephonic discussion I was forwarded one page of a two page upgrade form / migration application ***, requesting me to sign it and sent it back. I forwarded questions to him of certain things that was not clear and inconsistencies. I never received feedback. End of June I was informed by Autopage Somerset west that a new contract has been loaded on my profile. I contacted the call centre via the online request and telephonically. Every query was promtly closed with a promise of escalation. The following reference numbers: 749122 (1 Jul), 757113 / 4 (7 Jul), 770588 / 9(17 Jul), 772957 (18 Jul), Spoke to Patricia Mulalotji (23 Jul). I was contacted by the call centre sales manager email follow up to her 27 and 30 Jul. I contacted the sales agent (10,14,15,16,17 and 22 July. The new contract has started 23 July and the free sms's and data from my previous contract has now vanished in thin air. According to them the telephonic contract is valid unable to explain why I had to sign a doc.