Telkom Promisses and Lies and Unhelpfulness Service

So Telkom calls me and asks me if I want to migrate from my 4Mbps ADSL line to Smartbroadband LTE 4Mbps all hours promising me far better speeds that what I got on my ADSL so I agreed to the migration. So 3 weeks ago I plugged in the LTE router and disconnects my ADSL. Ever since during peak time I get +-10Kbps speeds. Off peak times it goes a little faster but never have I gotten anything better then what I got on my ADSL line. My speed test shows that I should be getting atleast a 3Mbps download speed, however that is not what I am getting. So I have been calling their customer care day in and day out with the best answer I am getting is they don't know what the problem is and that they will log a fault. A few days later a get a message that the fault has been attended to. However today still I am getting the same poor speed. I went to a Telkom Shop where this lady was very helpful and told me that for some reason I am being restricted and that their technical people will call me which they did but I was on my way driving home and ask them to call me back in 10 mins, still waiting till today. For any Telkom users that is on ADSL, do not change over to LTE. Stay on ADSL until the day it gets disconnect. You will be sorry you migrated to LTE.