Why does even Airplane Mode exist?

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Few days ago I was flying by plane and stewards asked us to turn our devices to Airplane Mode. But why is that?

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15 Answers

Anonymous 0 Comments

Your phone always looks for signal. The further away your phone is from the source of the signal, the more power it needs and the more power the antenna on the ground needs. Airplane mode preserves the batterie of your phone and improves reception for anyone you fly over

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