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4 days is kind of much,but you can go to settings-apps-all-eco mode control and clear data and force stop the app.Restart the phone.
That is only for the battery standby time,nothing is lost.Go to settings-apps-all-eco mode and clear data,force stop and restart the phone.
turn off and turn on.
Just ignore the estimated standby. It means nothing at all and is very inaccurate