My answer : Location services off, vpn on, No email or financial apps on the phone, Only people in my contact list can make calls, all others to voicemail that tells any and all If you are trying to sell me something or tell me something political I WILL NOT CALL YOU BACK.
“No email or financial apps on the phone”
We’re firm on that, too. NOTHING that requires a password or involves money. People shop and do banking on their smart phones all the time; I can’t even imagine doing that.