Tiffany Janzen on Instagram: "How can your phone can still call 911 with no service or WiFi?!! Even without a cell plan, phones are legally required in many countries like the U.S. to connect to any available tower for emergency calls. Your phone will try every network nearby, not just your own, to reach help. But what if there are no towers at all? Could your phone still reach help… even miles off-grid? That’s where satellite-based emergency messaging comes in. Some newer phones now have specia