Explained: The real reason why we should turn our phones on airplane mode while flying

Research has shown that in-flight use of phones don't impair the aircraft’s ability to operate. But cabin crews may prefer not to be delayed in providing in-flight service to all of the passengers

from https://www.firstpost.com/explainers/explained-the-real-reason-why-we-should-turn-our-phones-on-airplane-mode-while-flying-11308571.html