Meta | corporate Mobile phone

(THREE polls within single post) Meta employees(NA region)- 1. Do you use the company provided mobile phone as your personal (primary) phone or do you simply keep that phone as an extra and only use it strictly for office related work? 2. What's the widely used(preferred) OS for the corporate phone? Android/iOS 3. Verizon/ATT? (Multi-select poll choices) TC: 280 YoE: 5