Reverting/Downgrading Firmware

Sometimes the latest Firmware (Official or Beta) isn’t working right for us. so here’s a step-by-step instruction on how to Revert back from the previous Firmware that you had…
1.Use USB FLASH KEY from 64mb upto 2GB. I recommend upto 2GB but you could also use bigger ones but they using different adressing model
this could be [...]