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This firmware did not fix the issue. I was still getting cold extrusion prevented error. I swapped my PSU with the one provided with my Tevo Tarantula, and nope, it is not a power supply issue...

I am lost for what could be causing this problem. Ive reported my findings to Anycubic moments ago, hopefully they can tell me what the heck is going on.

By the way, the firmware v1.1.1_B did not allow me to turn off stepper motors from the TFT panel, it would say OK! but the power remains until auto off timer runs out.