firmware update using sd card

Happy new Year from Sweden ! I recently bought a second hand H-Plus. Starting it up for the 3rd time I forgot to take off the gimbal protection. Instead of just ripping it off, I got brainfreeze and pulled the battery instead. BIG Mistake . Now I got a brick that can use the camera and the...

Yeah I know, another updating thread. However before you point me to the search function, I’ve been there, I’m going around in circles at this point. Spoke with ty over phone last night (he’s the nicest guy BTW, a national treasure, and I didn’t want to dump all this on him but, anyway, back on...