If you have an iPhone 4s and want to factory reset it, there are a few things you can do. First, make sure that your computer is connected to the internet and that you have the latest version of Apple’s iOS software installed. Then, open the Settings app and click on General. Under Reset iPhone4s, select Erase All Data and Settings. Finally, click on Reset iPhone4s. This will erase all your data on your iPhone 4s, including your settings and apps.