To enable Developer mode, go to settings.
Next Device Preferences.
Next About the device.
Next, select the Build version line and press the OK button on the device remote control until you see a message stating that developer mode is enabled.
Then go back a step to the Device Preferences section and find the line Developer options.
Check if developer mode is enabled.
Enable USB Debugging
If you plan to use a memory card or flash drive to store content, allow storage on external media.
