Pie destroys the usability of the phone. The call recording that professionals depend on for invoicing their time gets destroyed. Besides what has been posted 1. Get a phone that won't get Pie. 2. Get a generic version of the phone or flash to that firmware. 3. Fire Verizon. 4. Buy an International phone. 5. Buy a phone such as a Pixel 2 that you can root to where you have control. 6. Turn off auto update and notifications at the play store. 7. Get a VOIP service and don't use Verizon or any other carrier as simply a wireless ISP.