How to factory reset a Soyealink B535-333 (Huawei) 4G WiFi Router

A short video on how to factory reset the Huawei B535-333 4G mobile broadband router back to factory settings. Shows you where to put a pin / paperclip into the back of the router, how long to hold it down for and what the lights on the front of the router will do when you&pressed the button for long enough.