2. The required installer is called grandMA3 Software x.x.x.x. 3. Extract the zip file and copy the folders EFI, ma, and the update.scr file into the root directory of your USB flash drive. 4. Insert the USB flash drive in the device's USB port.
The required installer is called grandMA3 Software x.x.x.x. 2. Extract the zip file and copy the folders EFI, ma, and the update.scr file into the root directory of your USB flash drive. 3. Insert the USB flash drive in the device's USB port.