How to fully reset iphone

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Last updated: April 4, 2026

Quick Answer: To fully reset an iPhone, you can perform a factory reset through the Settings app, which erases all content and settings. Alternatively, you can use iTunes or Finder on a computer to restore the iPhone to its factory default state, which also wipes the device clean.

Key Facts

Overview

Resetting your iPhone can be a powerful troubleshooting step for software issues, a necessary action before selling or giving away your device, or a way to start fresh. There are primarily two ways to achieve a full reset: through the iPhone's built-in settings or by using a computer with iTunes or Finder. Both methods aim to return the device to its original factory state, erasing all personal data, downloaded applications, and customized settings.

Why Reset Your iPhone?

Several scenarios might prompt you to reset your iPhone:

Methods for a Full iPhone Reset

Method 1: Resetting Through iPhone Settings (Factory Reset)

This is the most common and straightforward method for a full reset.

  1. Back Up Your iPhone: This is the most critical step. Before proceeding, ensure you have a recent backup of your iPhone. You can do this via iCloud or by connecting your iPhone to a computer and using iTunes (for older macOS and Windows) or Finder (for newer macOS). Go to Settings > [Your Name] > iCloud > iCloud Backup and tap Back Up Now.
  2. Navigate to Reset Options: Go to Settings > General > Transfer or Reset iPhone.
  3. Choose 'Erase All Content and Settings': This option will completely wipe your iPhone, removing all apps, data, settings, Apple ID, and other personal information.
  4. Confirm the Reset: You will be prompted to enter your iPhone passcode and then your Apple ID password to disable Activation Lock. This step is crucial for security and to ensure the device can be set up by a new owner.
  5. Wait for the Process: Your iPhone will restart and display the Apple logo, followed by a progress bar. This process can take several minutes. Once complete, your iPhone will be at the initial setup screen, just like when it was new.

Method 2: Resetting Using a Computer (iTunes or Finder)

This method is useful if your iPhone is unresponsive or if you prefer using a computer.

For macOS Catalina or later:

  1. Connect Your iPhone: Connect your iPhone to your Mac using a USB cable.
  2. Open Finder: Launch Finder. Your iPhone should appear in the sidebar under 'Locations'.
  3. Select Your iPhone: Click on your iPhone's name.
  4. Restore iPhone: In the General tab, click 'Restore iPhone...'. You may need to put your iPhone into recovery mode if it's not recognized. Follow the on-screen prompts to download the latest iOS software and install it on your iPhone.

For macOS Mojave or earlier, or Windows PC:

  1. Connect Your iPhone: Connect your iPhone to your computer using a USB cable.
  2. Open iTunes: Launch iTunes. Ensure you have the latest version installed.
  3. Select Your iPhone: Click the iPhone icon that appears in the iTunes window.
  4. Restore iPhone: In the Summary tab, click 'Restore iPhone...'. Similar to Finder, you might need to put your iPhone into recovery mode. iTunes will download the latest iOS software and restore your device.

Recovery Mode: If your iPhone isn't recognized by Finder or iTunes, you may need to enter recovery mode. The exact steps vary slightly depending on your iPhone model. Generally, it involves pressing and holding specific buttons (like Volume Up, Volume Down, Side button) until the recovery mode screen appears.

Important Considerations Before and After Resetting

Backups are Essential

As emphasized earlier, always back up your data. Whether you choose iCloud backup or a computer backup, ensure you have a recent copy of your photos, contacts, messages, app data, and other important information. This allows you to restore your device to its previous state or set up a new iPhone with your familiar data.

Apple ID and Activation Lock

During the reset process, you'll be asked for your Apple ID password. This is to disable Activation Lock, a security feature that links your iPhone to your Apple ID and prevents unauthorized use. If you forget your Apple ID password, you won't be able to complete the reset or set up the device afterward. Visit the official Apple support website for password recovery options.

Different Reset Options

Within the iPhone's Settings app, you'll find more granular reset options besides 'Erase All Content and Settings':

For a *full* reset, 'Erase All Content and Settings' is the option you need.

Post-Reset Setup

After the reset, your iPhone will boot to the 'Hello' screen. You can then set it up as a new device or restore from a previous backup. If you're selling the device, simply leave it at this stage.

Conclusion

Performing a full reset on your iPhone is a straightforward process, whether done via the device's settings or a computer. Remember to prioritize backing up your data and ensuring you have your Apple ID credentials readily available. A factory reset can breathe new life into a struggling device or securely prepare it for a new owner.

Sources

  1. Erase all content and settings from iPhonefair-use
  2. Put your iPhone on a computer to restore itfair-use
  3. iPhone Support - Restorefair-use

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