How to I find and kill a DnD?

Question

On my Nexus 6P, Android 7.1.2, I once entered a Do Not Disturb setting which started at 0450 local time. I deleted that, but since the 7.1.2 upgrade, it has returned. It even occurs in Safe mode. How do I find it, and kill it, dead, with a stake through its ID?


— K7AAY | Sources

Answer

DND is not a cron job... It's "embedded" in the OS databases. Unless someone knows exactly what file and where, assuming it's ASCII editable file, a factory reset might be your only option.


— acejavelin | Sources

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