How to Factory Reset an iPhone: A Complete Guide
Factory resetting an iPhone is one of the most powerful tools in your troubleshooting arsenal — and one of the most misunderstood. Whether you're preparing to sell your device, battling persistent software bugs, or starting fresh after a rough patch of glitches, a factory reset wipes your iPhone back to its original out-of-box state. Here's exactly how it works, what it affects, and what you need to think through before you commit.
What a Factory Reset Actually Does
A factory reset — officially called "Erase All Content and Settings" in Apple's language — removes everything stored on your device:
- All apps, photos, videos, and documents
- Saved passwords, accounts, and preferences
- Apple Pay cards and Face ID/Touch ID data
- Any custom settings you've configured
What it doesn't erase: data stored in iCloud, your Apple ID itself, or anything synced to external services. Your iCloud backup, if one exists, stays intact on Apple's servers.
This distinction matters. The reset wipes the device, not your account.
Before You Reset: The Checklist That Saves Headaches
Skipping preparation is the most common mistake people make. Before initiating any reset:
1. Back up your data Go to Settings → [Your Name] → iCloud → iCloud Backup → Back Up Now. Alternatively, connect to a Mac or PC and back up through Finder (macOS Catalina and later) or iTunes (Windows and older macOS).
2. Sign out of iCloud (or plan to during the reset) Failing to remove your Apple ID before selling or giving away the device leaves Activation Lock enabled — which makes the phone nearly unusable for the next owner.
3. Disable Find My iPhone This is linked to Activation Lock. Go to Settings → [Your Name] → Find My → Find My iPhone and toggle it off. You'll need your Apple ID password.
4. Note your Apple ID credentials You'll need them after the reset to restore from backup or set up the device.
How to Factory Reset an iPhone: Step by Step
Method 1: From the iPhone Itself
This is the most straightforward approach for a functioning device.
- Open Settings
- Tap General
- Scroll to Transfer or Reset iPhone
- Tap Erase All Content and Settings
- Enter your passcode if prompted
- Confirm your Apple ID password to disable Activation Lock
- Tap Erase iPhone to confirm
The process takes anywhere from a few minutes to around 15 minutes depending on how much data is stored on the device. Your iPhone will restart and display the setup screen when complete.
Method 2: Using a Mac or PC (Recovery Mode) 🖥️
If your iPhone is frozen, disabled, or you've forgotten your passcode, you'll need to use a computer.
On a Mac (Finder) or Windows PC (iTunes):
- Connect your iPhone to the computer with a USB cable
- Put the iPhone into Recovery Mode:
- iPhone 8 or later: Quickly press Volume Up, quickly press Volume Down, then press and hold the Side button until you see the recovery mode screen
- iPhone 7/7 Plus: Hold Volume Down and Side button simultaneously
- iPhone 6s and earlier: Hold Home and Top/Side button simultaneously
- A prompt will appear on your computer: choose Restore
- The computer will download the latest iOS and reinstall it
This method performs a full erase and reinstalls iOS — useful when standard methods aren't accessible.
Method 3: Via iCloud (Remote Erase)
If the device is lost or you don't have it on hand:
- Go to icloud.com/find and sign in
- Select All Devices and choose your iPhone
- Click Erase iPhone
This triggers a remote wipe the next time the device connects to the internet.
What Happens to Your Data After a Reset
| Data Type | Erased from Device | Preserved in iCloud |
|---|---|---|
| Photos & Videos | ✅ Yes | ✅ If iCloud Photos enabled |
| App data | ✅ Yes | ⚠️ Varies by app |
| Messages & iMessage | ✅ Yes | ✅ If Messages in iCloud on |
| Health & Fitness data | ✅ Yes | ✅ If iCloud sync enabled |
| Contacts & Calendars | ✅ Yes | ✅ If synced to iCloud |
| Purchased apps | ✅ Yes | ✅ Re-downloadable from App Store |
The key variable here is what you had syncing to iCloud before the reset. If iCloud sync was disabled or storage was full, some data may not be recoverable.
Factors That Affect Your Experience
Not every factory reset plays out the same way. A few variables shape what you'll encounter:
- iOS version: The menu path has shifted slightly across major iOS updates. The core steps remain consistent, but label names or sub-menu locations may differ.
- iPhone model: Older devices with less storage erase faster. Devices with larger storage libraries may take longer.
- Whether you're keeping or selling the device: If you're keeping it, restoring from a backup brings your data back. If you're handing it off, you want to leave it at the clean setup screen — not restore.
- Forgotten passcode: Locks you out of the in-device method entirely, making Recovery Mode via computer the only option.
- Activation Lock status: If a previous owner didn't properly sign out, the device will prompt for their Apple ID credentials after the reset — something no amount of resetting can bypass.
After the Reset: Setup Choices That Matter
Once the iPhone displays the Hello screen, you're at a fork: restore from a backup, or set up as new.
Restoring from backup brings back your apps, data, and settings — but may also bring back whatever software issue caused the problem in the first place.
Setting up as new gives you a genuinely clean slate. Apps need to be reinstalled manually, but you avoid carrying over corrupted settings or misbehaving software. 🔄
Which path is right depends entirely on why you reset in the first place, what data you need to preserve, and how much time you're willing to spend reconfiguring your device from scratch.