Margaret Qualley says she has 2 phones to avoid being online all the time — and one doesn't even have cell service

Margaret Qualley. John Nacion/Variety via Getty Images Margaret Qualley says she uses two phones to avoid being online all day. The actor uses one phone for essentials — Uber, texting, and Maps — and has another phone for social media. "I have another phone at home that doesn't have cellphone…