Bad service Cell C

Two issues !. I had a wifi router deal with Cell C...all went well till my bill started exceeding the contract amount. Then all of a sudden i learnt that i had an open line. What was really annoying is that my usage never exceeded my alotted data. After many attempts to solve the issue i closed the month to month contract as no one made an effort to remedy the issue. 2. I purchaced extra data on through my absa banking app using the 30 day 1gb day and 1gb night option amounting to R95. After 7 days my data disappeared and on enquiring i was informed that i bought a 7day data bundle. Every time they will validate and give feedback in2 days. But nothing happens. Sent them emails but nothing happens. Getting reference no dont help either because they just log another complaint with feedback to be given in 2 days. No feedback...seems as if they dont care to loose another loyal customer. Their aftersales service is non existent and probably a major contributor to them having financial difficulties and non of the attempted takeovers ever materialised. Last unresolved case no *** was issued 22.01.2021. I forwarded proof of payment as requested and still no reply