To completely clean your iPhone system and erase all data, follow these steps:
- Go to Settings on your iPhone.
- Tap General.
- Scroll down and tap Transfer or Reset iPhone.
- Tap Erase All Content and Settings.
- Tap Continue.
- Enter your passcode or Apple ID password to confirm you want to erase your iPhone.
This process will remove all your personal data, settings, and apps, returning your iPhone to its factory settings. Make sure you have a backup of any important data before proceeding.
