Apparently, only a few weeks after they were pulled from air for customers and the viewing public in Zimbabwe, the SABC channels have reemerged and more widely available than ever:
They are now accessible to viewers who are using the free top-air decoders.
What you need to do to get your SABC channels back:
It is as easy as a quick re-scan of your decoder. The codes you will need to use ae: 11673 v 26638
You may see a weaker signal strength than you were previously used to, due to the different technology making these channels available.
I also came across the following post on Facebook, maybe i can be of some use too: