This article explains how to erase your iPhone settings and data in iOS 12 and iOS 13. It includes information on how to reset only the settings while keeping your apps and data, along with other reset options.

Erasing all of your settings and data will reset your phone to its factory settings. If you prefer, you can delete just the settings on your iPhone to remove a specific set of settings and keep your apps and data.

After you have backed up your iPhone, follow these steps:

Open the Settings app on your iPhone.