VODACOM EXPERIENCE A LOT OF TROUBLE WITH NEW PHONE CONTRACT

I have a lot of problems with Vodacom. On 2nd November 2019 my old phone I had for almost 4years no longer charged, and caused other problems. I went on the 2nd of November to Vodacom at Whale coast Mall in Herm****, for a upgrade, because I can't be without a phone. The lady admits that i can't upgrade, because I did a downgrade in 2018. So I had to take out a new contract, the old phone was sent in for repair work, had insurance for almost 4 years. On sunday the 3rd of November 2019 the new phone for a software upgrade, which I do. On the 5th of November 2019 the new phone starts with a lot of problems, I can't listen to voice note, don't show I have whats app, facebook didn't work etc, I can't use this phone proberly. On 6th November 2019 I called vodacom and ask to speak to the lady who assist me, she was busy and I speak to the owner and explained my problem, he said I must bring the phone on Friday 8th November 2019, to vodacom. The lady also phone me back on the 6th of November, I also explained to her my problems, and she also said I should bring the phone, the technician will have a look. I explain that I do not have transportation and have to pay to go to vodacom everytime. On Friday the 8th of November 2019 I take the phone to vodacom, the lady that assist me informs that the technician is not there and that I bring the phone back when the technician is there, or she can send it in for repair, and wait 2 weeks for my phone.I said I can't be two weeks without a phone. I said I will not leave the store until my phone is fixed or they have to give me a new phone, she refuses to give me a new phone. After a long struggle, she asked one of her colleagues to help, the colleague wipe the phone and did everything in advance,the phone work. On Sunday the 10th November my phone's battery is flat, I charge the phone after which the charger gets so hot you can't touch it. On Monday 11 November I phoned vodacom again and explain to the lady about the problem, she says i have to bring the phone in for repair. I ask her if they can't give me a new phone, because I experience a lot of trouble with this phone, and she said no I have to bring it for repair. So I have to wait for my old phone, to come back from repair. During the week of the 11 November, I realize some more problems, when my daughter calls on whats app or video call the phone itself gets very hot. On 22 November, I get an SMS that my old phone is back from repair, on the 23 November I take the new phone for repairs. I asked the guy don't you give me a proof for handed in the phone for repairs, he said I will receive an SMS, so I never received an SMS or email, I phone Vodacom 27 November again and ask what is going on, and the technician said he will email me proof for handed in the phone. I phone Vodacom again on the 6 of December and say I didn't receive SMS or emails about the phone, and the technician said the repairs it waiting for parts for my phone. I NO LONGER KNOW WHICH WAY, PLEASE PETER HELP ME