ZERO CUSTOMER SERVICE

I was contacted by MTN regarding an upgrade on 27/07/2023, from number ***. Went through the whole process, blah-blah. Sent documents required to ***, as requested, on 28/07/2023. Received automated e-mail from them. Received another call from MTN on 03/08/2023, from number ***, offering me an upgrade. Really? Communication is obviously non-existent. I sent an e-mail to MTN customer service and the aforementioned mondo address, requesting feedback. Received response from Oreabetse Ramorola on 15/08/2023 at 08:43am asking for my ID number - they couldn't search with my cell number, which I always add?? I sent it anyway. Three weeks down the line and absolutely ZERO feedback or communication regarding my upgrade. I've dealt with many companies with poor to zero customer service, but MTN comes out tops, every, single time! So, MTN, are you interested in doing my upgrade or not, because this is beyond pathetic. I've only been your customer for 20+ years, but what the hell!