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To conserve battery life, disable the phone’s wireless circuitry. Airplane Mode, an option that will turn off all wireless features, is a quick and easy solution in areas with poor reception.
为了省电，可以关闭手机的无线电路。使用飞行模式可以关闭所有无线连接，在网络不好的地方，这是最便捷、最省事的解决方案。
Alternatively, you can disable (in your phone’s settings) a single wireless feature. For example, if you have terrible wireless carrier coverage in your office, but Wi-Fi is great, disabling cellular connectivity while there will keep the phone from wasting energy trying to get a cellular connection while still letting you connect to the Internet over Wi-Fi.
此外，你也可以尝试在手机设置里设置单一无线连接方式。比如，如果你的办公室里无线载波覆盖不好，但是Wi-Fi很好，那就关闭蜂窝连接，不让手机费电去连接蜂窝网络，只用Wi-Fi联网。
