Is restoring factory settings harmful to mobile phones, Zhihu?

Restore the factory settings of Samsung mobile phone, which has no effect on the mobile phone under normal circumstances. Restoring the factory settings is equivalent to clearing the software, contacts and multimedia information installed on the mobile phone itself. The software that comes with the system will not be deleted, but the software will be restored to the original version. It is recommended that you back up the important data of your mobile phone before operation.