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I have received a very bad service from MTN. I did an online upgrade in June 2021 and the wrong upgrade was made. I have raised this issue of wrong upgrade with them and they adviced me to return the devices to nearest MTN. I returned the devices still sealed and intact as advised and they gave me references number and promised me that it will be reversed. I even called them and they have acknowledged that they have received the devices. Till to day, is now almost 6 minth, still not yet reversed and they are busy debiting my bank account every month for something I didn't order and for something that I have returned to them. They are punishing me for the wrong upgrade which is made by them. I am asking them a simple thing, to reverse the wrong upgrade and implement the one I have ordered. Its now frustrating me, because they are buzy debiting my account, which means i pay them but I'm not receiving any services from them.