iPhone 一直开启低电量模式会有哪些影响？
为了让 iPhone 电池续航时间更长，在电量仍然剩余不少的情况下，有些小伙伴会给手机开启“低电量模式”，感觉电池会更耐用一些，那么这样做会有什么影响呢？
当我们给 iPhone 开启低电量模式之后，iPhone 可以使用更长时间，但某些功能的更新或完成时间可能会变长。另外，在关闭低电量模式或将 iPhone 电量充到至少 80% 之前，部分任务可能无法进行。低电量模式会减弱或影响这些功能：电子邮件获取、”嘿Siri”、后台应用刷新、自动下载、部分视觉效果、自动锁定（默认为 30 秒）以及 iCloud 照片（暂停）。
关于以上这些，表现比较明显的有：您可能无法通过“嘿 Siri”来唤醒语音助手；如果您打开了 iCloud 相关功能，开启低电量模式之后，可能会遇到照片下载不了无法显示的问题，因为低电量模式会暂停 iCloud 照片的下载；再就是视觉效果减弱，您可能会发现屏幕的亮度和亮屏时间会设定成最为省电的模式，屏幕变暗，亮屏时间变短。
如果不在意以上的影响或较少使用到这些功能，为了让 iPhone 有更长的续航时间，一直开启低电量模式不会对设备本身有影响；若是想更好地体验到 iPhone 的各项功能，就没有必要开启，及时给 iPhone 进行充电就好。当设备电量已经不多，并且无法及时给它进行充电，此时低电量模式就会非常好用了，能够有效延长设备待机的时间。
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