MISLEADING INFO ON PROMO AND DISGUSTED BY RESPONSE /FEEDBACK # L

requested installation of wifi on 24/03 this could only be done once i made payment which happened on 27/05 . as per customer service rep this takes about 7 working days max .after several folow ups after the 7 days the instalation only took place on 23/04 and activation only took place 24/04 . i then chatted to a customer services rep via telecom and fb chat who confirmed that a qualify for the promo of 2 months payment break as its in the month of APRIL my instalation took place and before cut off 30/04 . on the 1st i got billed amount R131.71 to date i am still not aware what this is for , i then escalated on fb chat then they just told me promo started April , i further escalated based on telecom and chat that i was confirmed this payment break and qualified for promo based on instalation date till the 12/05 they were busy waiting on feedback from their finance . on 19/05 Ndivhudzannyi Simali- gave feedback only telling me that the promo started 03/04 , when i explained i was confirmed via telecom and have proof on chat that i was promised to only start payment 2 months later . so mistake was made on their side and they can do nothing to fix it and she just told me she will end this chat as it was resolved , how ? when i still have my query on it