It is very important that during this process you do not turn off your Samsung device or disconnect the USB drive.
In some cases we have found that some USB drives have problems so that your Samsung device can not find the USB update.
The TV must be turned off in order for the USB device to connect properly.
Click "Save" if prompted to select what you want to do with the file.
In this case, we recommend you use a different USB device.
In our experience, we have seen that trying other USB devices work correctly.
Alternatively, you can select the upgrade file, click "Ctrl-C" on your keyboard, double-click the USB key on the list of removable devices in File Explorer and press "Ctrl-P" to paste a copy of the upgrade on to the USB device.
Eject the USB device, make sure your Samsung Smart TV is powered off and then plug the USB device into the TV.To do this, you will need to find out the specific model of your Samsung device.