How to overcome the double NAT with the Movistar HGU Router?

In this video I propose two ways (single-user mode and static routes) to get rid of double NAT problems with the Movistar Smart WiFi router.
Movistar HGU router running in single-user mode:
• HGU Movistar: Multipue... (3:35)
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"Bubble", the background song in this video, is from the album "Morph" by "Metre"
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and is licensed under a Creative Commons license
Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0):
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