There are several ways to reset an Android phone, the ADB method works the best in all conditions.
Even if you cannot reach the OS on your phone,ADB Commandwill help you troubleshoot it.
Here is how to factory reset your Android phone using ADB.
Below is the complete process to factory reset an Android phone using ADB.
Note-Generally, the files downloaded from the internet will be saved to theDownloadsfolder.
If you have set a different location for the files, then visit that location.
Ensure you follow all the steps that we have mentioned above correctly.
source: www.techworm.net
