Poor service

Gooday i paid my line deposit in march when we went to level 4 my line was installed but not activated due to line speed issues i called customer care they said they would come back to me regarding my issue why my line is not activated yet still waiting i called accounts they told me my account is acctive i must call technical department when i did they could not assist me due to i do not have a number link to the account please can you assist on this or i will have to cancel my transaction and would like a refund of my deposit