On my Caminos: Telephone sound off. Deep in my backpack. I charge at the opportunity. I am out there, walking my Camino. I prefer to live in the now and real. As an old computer engineer, I detest depending on constant communication to interrupt my Camino experience. JMHO.
I don't need mobile phone navigation support: Jeezz, there are yellow arrows and shells all over the place to guide you in the right direction. Don't even need a guide book.
One has to wonder how pilgrims in the old days, before electricery was invented, were even able to leave their houses....
Talk to people and get directions. You will get there, unless you are hopelessly confused. Reminds me of the woman outside the municipal albergue in Burgos who was standing in the middle of the street, yelling: "But where is the Camino from here!?"
I politely responded, over my morning coffee: "Look between your legs, woman."
She was standing in the middle of the street, with a bronze shell, basically saying "follow me", between her feet...