That’s entirely plausible, since the species is known in South Africa some two million years ago.
If the fossil does represent Homo erectus, it would be the first known appearance of the species in East Africa. That’s entirely plausible, since the species is known in South Africa some two million years ago. But it’s not a sure thing. Tooth morphology offers a wealth of information for determining species—but old teeth for comparison number not in the thousands or hundreds but in the tens.