Solved by dormouse in post #9 
              
              
                @ptrblck @xta0 
I have figured out where is the problem. 
i double checked the predict output of Desktop and iOS, the torch.max gives the same tensor value(more or less same) 
But in iOS, the label.txt should be generated along with PyTorch learning process. 
I manually created a label.txt, like: 
C…