Still waiting for my (Call)

Just a round up with my experience with Cell C.. I wish it's could have been possible to give them a zero star rating at this stage.. I have 2 accounts with Cell C and they get paid by Debit order each month.. I am a loyal customer for more than 10 years and have paid my account every month.. On Tuesday 2021/12/21 I went to Cell C branch at Woodlands Mall, Pretoria to get a upgrade on one of my accounts.. I qualified for a upgrade in January 2021 already.. When I got to the shop I noticed that it is very quite and not even 1 client in the shop (Wow 21 December) I got to the lady that assisted me and she took a copy of my ID and I signed a concent form for them to check my credit rating (Wow I thought they did that before making almost 100 calls from January to November trying to extend my contract with them) After taking down my contact details the assist told me to wait for her to call me... After numerous attempts by me to contact them at Cell C Woodlands (no answer) I still have no new contact or phone.. And I am at that stage to cancel both my contacts with them.. Just wonder why MTN and Vodacom's shops were loaded with clients, now I know why..