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RTC to store time if power failure
Hello Everyone 
I am using tinker s with Android 7 Nougat V14.2.2.73 
I need to back up clock time in case of power failure
I have DS3231 chip
Is it possible ?
It's possible, but I'm not familiar with Android. First off you need to have admin privileges over the installation. Then you should check whether there's /dev/rtc0.
Light blue words might be a link. Have you try to click on them? Big Grin

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