If you have an iPhone 4s, there are a few things you can do to reset it. This guide will show you how to factory reset your iPhone 4s.

  1. Open the Settings app and select the General tab.
  2. Scroll down and select Reset iPhone4s.
  3. Tap on Reset button and confirm your request by tapping on OK button.
  4. Your iPhone 4s will be reset and will start up in its new settings as expected.