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In testing in a location where both Wi-Fi and cellular LTE signals were strong, an hour of browsing over Wi-Fi used roughly the same amount of battery power as an hour using LTE on an iPhone. On a Motorola Android phone, LTE used only 2 to 3 percent more power than Wi-Fi.
在Wi-Fi信號和蜂窩網絡LTE信號同樣強的情況下，使用iPhone手機測試，使用Wi-Fi瀏覽網頁1小時所耗費的電能與使用LTE是一樣的。在使用安卓系統的摩托羅拉手機上，LTE只比Wi-Fi多耗費2%到3%的電能。
In other words, as long as you have a good signal, you probably won’t see a huge difference between Wi-Fi and cellular data, and it’s probably not worth the hassle of switching between the two.
換言之，只要信號良好，Wi-Fi和蜂窩移動數據沒什么區別，不值得費力在二者之間切換。
