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android5.0 - android开机状态下拔掉电池，重启后系统恢复到默认时间和日期，是为什么？
ringa_lee
ringa_lee 2017-04-17 14:33:38
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关闭联网同步日期和时间，android开机状态下拔掉电池，重启后系统恢复到默认时间和日期，是为什么？

ringa_lee
ringa_lee

ringa_lee

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伊谢尔伦
伊谢尔伦2017-04-17 14:35:38 1 floor

The clock needs power supply. Don't your watches and wall clocks need batteries? When the power goes out, time is naturally lost.

The reason why button batteries are needed on computer motherboards is also for the clock.

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