Please tell us some basic information before asking for help:
Model Name:
Firmware Version:WW_17.0823.2007.32
Rooted or not: Not
Frequency of Occurrence: Everytime
APP Name & APP Version (If your issue relates to the app): PowerMaster from Settings->Battery
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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If set time in schedule charging option from PowerMaster Battery settings, it does not set the time correctly instead it sets the time automatically with random values. So not able to use schedule charing due this bug.