How to Completely Delete Everything on iPhone: A Full Reset Guide

Wiping an iPhone completely — removing every photo, app, message, account, and personal setting — is one of the most straightforward things iOS lets you do. But "completely delete everything" can mean different things depending on why you're doing it, and the steps that matter most vary based on your situation. Getting the order right is what separates a clean reset from a headache.

Why You Might Need a Full iPhone Wipe

The most common reasons people erase everything on an iPhone:

• Selling or giving away the device — you need your data gone and your Apple ID removed
• Troubleshooting a serious software problem — a factory reset can resolve persistent bugs or performance issues
• Starting fresh — clearing years of accumulated apps, clutter, and settings
• Preparing for a trade-in — carriers and retailers require the device to be erased and unlocked from iCloud

Each scenario has the same core process, but a couple of the pre-steps shift in importance depending on which applies to you.

Before You Erase: The Steps That Actually Matter

Skipping these steps is where most problems happen — especially for people selling or trading in their phone.

1. Back Up Your Data (If You Want to Keep Anything)

If there's anything you want to transfer to a new device or keep accessible later, back up first. iOS offers two paths:

• iCloud Backup — Go to Settings → [Your Name] → iCloud → iCloud Backup → Back Up Now. Requires enough iCloud storage and a Wi-Fi connection.
• Mac or PC Backup via Finder/iTunes — Connect via USB, open Finder (macOS Catalina and later) or iTunes (Windows/older macOS), select your device, and choose Back Up Now. This stores a local copy on your computer.

If you're wiping because the phone is broken or you simply don't want any of the data, you can skip this entirely.

2. Sign Out of iCloud and Disable Activation Lock

This is the most critical step if the phone is leaving your hands. Activation Lock is tied to your Apple ID, and if it remains active, whoever receives the phone cannot use it — even after a factory reset.

To remove it: Settings → [Your Name] → Sign Out. You'll be asked to enter your Apple ID password. This disables Find My iPhone and removes Activation Lock simultaneously.

Alternatively, you can disable Find My iPhone specifically: Settings → [Your Name] → Find My → Find My iPhone → toggle off.

Skipping this step is the most common reason a "wiped" iPhone becomes unusable to the next owner. 🔒

3. Sign Out of Other Services (Optional but Recommended)

Before erasing, some users prefer to manually sign out of:

• iMessage (to deregister your number from Apple's messaging system)
• FaceTime
• App Store

iOS's erase process handles most of this automatically, but manually signing out of iMessage before wiping can prevent future issues receiving SMS messages on a new non-Apple device.

How to Completely Erase an iPhone

Once backups are done and iCloud sign-out is complete, the actual erase is simple.

On-Device Factory Reset (Most Common Method)

1. Open Settings
2. Tap General
3. Scroll to Transfer or Reset iPhone
4. Tap Erase All Content and Settings
5. Enter your passcode if prompted
6. Confirm

iOS will warn you that this deletes everything. After confirming, the process begins automatically. Depending on the device and iOS version, this can take anywhere from a couple of minutes to around 15 minutes. The phone will restart to the initial setup screen — the same screen you see on a brand-new iPhone.

Erase via Recovery Mode (When the Phone Won't Respond)

If the iPhone is disabled, stuck in a boot loop, or you've forgotten the passcode, you can force an erase using a computer.

Steps:

1. Connect the iPhone to a Mac or PC
2. Put the phone into Recovery Mode (the button combination varies by model — iPhone 8 and later use Volume Up → Volume Down → hold Side button; iPhone 7 holds Volume Down + Sleep; iPhone 6s and earlier holds Home + Sleep)
3. Open Finder or iTunes — it will detect a device in Recovery Mode
4. Choose Restore (not Update)

This downloads the latest iOS version and performs a complete wipe. It also removes the passcode. Note: this will erase the device regardless of whether you know the Apple ID password, but Activation Lock may still be present if Find My was enabled and the Apple ID wasn't removed beforehand.

Erase via iCloud (Remotely)

If the phone is lost, stolen, or off-site, you can erase it remotely:

1. Go to icloud.com/find on any browser
2. Sign in with your Apple ID
3. Select the device
4. Choose Erase This iPhone

This sends an erase command the next time the device connects to the internet. After erasing remotely, you should also remove the device from your Apple ID: Settings → [Your Name] → scroll to devices → select → Remove from Account.

What Gets Deleted — and What Doesn't

A factory reset removes everything stored on the device. It doesn't touch your iCloud account, your backups, or anything synced to external services. If you want your iCloud data deleted too, that requires separate action inside iCloud settings. 📱

The Variables That Change the Experience

The process above is consistent across iOS versions, but a few factors affect how smoothly it goes:

• iOS version — The menu path has shifted slightly across iOS updates (Transfer or Reset iPhone appeared in iOS 15). The core function is the same, but menu labels differ on older devices.
• Device model — Recovery Mode button combinations vary across generations.
• Passcode status — A forgotten passcode locks out the on-device method and requires Recovery Mode.
• Whether Find My is on or off — Dramatically changes what the next owner can do with the device.
• Storage size — Larger-capacity iPhones can take slightly longer to complete the erase.

Whether you're wiping a functioning iPhone 15 Pro or an older iPhone SE that won't boot, the right path depends on what state the device is in, what you've already signed out of, and whether you need the data recovered or gone for good.