This one is a no-brainer and can be used on any device. Simply remove the Firestick from its power source to completely shut it down or switch it all the way OFF.
Keep in mind that your device remains on sleep mode even when you switch it off through the other methods we’ve mentioned so far. This means that many of its functions and features are still running in the background.
To switch off your Firestick you simply need to unplug its adapter from the power source or remove the cable from the device.
These are the only two ways that we know about that allow you to switch off the device completely and they also function as a hard reboot.