1. **Put Your iPhone into Recovery Mode:**
- Connect your iPhone to your computer using a USB cable.
- Depending on your iPhone model, enter recovery mode:
- For iPhone 8 and later: Press and quickly release the Volume Up button, then press and quickly release the Volume Down button. Finally, press and hold the Side button until you see the recovery mode screen.
- For iPhone 7 and 7 Plus: Press and hold the Sleep/Wake button and the Volume Down button simultaneously until you see the recovery mode screen.
- For iPhone 6s and earlier: Press and hold the Sleep/Wake button and the Home button simultaneously until you see the recovery mode screen.
2. **Restore Your iPhone:**
- Once your iPhone is in recovery mode, a message will appear on your computer asking if you want to restore your iPhone.
- Click on "Restore" to erase your iPhone and restore it to its factory settings.
3. **Set Up Your iPhone:**
- After the restoration process is complete, your iPhone will restart. Follow the on-screen instructions to set up your iPhone as a new device.
- You will need to set up a new Apple ID and password during the setup process.
It's important to note that using recovery mode to reset your iPhone will erase all data on the device, including apps, photos, and settings. Make sure to back up any important data before proceeding with the factory reset. Additionally, this method may not remove the activation lock if the iPhone is linked to an Apple ID with Activation Lock enabled. If you encounter activation lock issues, you may need to contact Apple Support for further assistance.