Indeed, it's impossible to completely erase the data from iPhone storage by deleting it on your device. When you delete data, it's no longer accessible through the iPhone interface, but it still can be recovered on your device. If you want to change a new iPhone and sell your old iPhone, you need to erase your iPhone after backing up iPhone. Forgot your screen passcode? Not know how to erase iPhone? Follow our guide on how to factory reset iPhone without passcode.

- Part 1. Video Demo: Factory Reset iPhone Without Passcode
- Part 2. How to Reset iPhone to Factory Settings Without Passcode
- Part 3. How to Factory Reset iPhone Without Passcode or iTunes
- Part 4. Best Method to Factory Reset iPhone Without Passcode
Part 1. Video Demo: How to Factory Reset iPhone Without Passcode
You will learn how to reset iPhone to factory settings without passcode in this article. But before starting factory reset iPhone, you can watch this video first.
Part 2. How to Factory Reset iPhone Without Passcode or Apple ID
You can erase all data and settings from your Phone and restore iPhone to factory settings by using Finder on Mac or iTunes on a Windows PC. Learn how to restore your iPhone to factory settings without passcode via iTunes or Finder.
Step 1. Establish the connection between your iPhone and computer with a cable.
Step 2. According to the operating system of your computer, do one of the following:
On a Mac: Open Finder and select your iPhone in the Finder sidebar. Then click General at the top of the window and click Restore iPhone.

On a Windows PC: Launch iTunes and click the device icon at the top left of the iTunes window. Then click Summary and click Restore iPhone.

Step 3. Follow the on-screen instructions to complete the process of resetting iPhone to factory settings.
Note: You need to disable the Find My iPhone feature on the iPhone in advance.
Part 3. How to Factory Reset iPhone Without Passcode or iTunes or Computer
If you don't have a computer, you can consider remotely erasing your iPhone through iCloud or by using the Find My app. When your iPhone has been updated to the latest iOS version, you can also directly erase the device via Security Lockout. Here‘s how to.
3.1 Reset iPhone to Factory Settings via iCloud
iCloud allows you to erase all the data and settings on your device remotely. Provided that you can remember your Apple ID password, you can use iCloud to restore your device to factory settings.

Step 1. Open www.icloud.com in a web browser and enter your Apple ID and password to log into iCloud.
Step 2. There are lots of options like Photo, Contact, and more for you to choose, and simply click Find My.
Step 3. Click the All Device button on the top of the page and from the drop-down list, select your iPhone.
Step 4. In the pop-up window, click Erase iPhone to wipe your device.
3.2 Reset iPhone to Factory Settings via Find My
In the Find My app, you can see all of your Apple device associated with the same Apple ID. If the Find My iPhone featured is turned on your device, you can remotely erase your device on another Apple device.

Step 1. Launch the Find My app on your other Apple device and tap Devices.
Step 2. In the device list, find your iPhone and tap it.
Step 3. Tap Erase iPhone and tap Continue to erase your iPhone to factory settings.
3.3 Reset iPhone to Factory Settings via Security Lockout
Once you enter the wrong screen passcode on your device too many times, then you will be prompted that your iPhone is disabled. Furthermore, you can use this feature to erase your iPhone and restore it to factory settings.

Step 1. Enter the wrong screen passcode until you see the prompt of iPhone Security Lockout.
Step 2. Tap Erase iPhone at the bottom right corner and then tap it again to confirm.
Step 3. When prompted, enter your Apple ID password to sign out of your Apple ID.
Step 4. After successfully signing out of your Apple ID, tap Erase iPhone to reset your device.
Note: You have to enabled the Find My iPhone feature on the iPhone.
Part 4. How to Factory Reset on iPhone Without Passcode or iTunes or iCloud
Both iTunes and iCloud can help you reset iPhone to factory settings when you forgot your screen passcode. However, to reset iPhone in iTunes or Finder, you need to make sure that you have disabled the Find My iPhone feature on your iPhone. You have to remember your Apple ID password when you prepare to use iCloud to erase your device. What to do if you can't remember your Apple ID password and don't disabled Find My iPhone? Fortunately, you can make use of MagFone iPhone Unlocker.
With the assistance of MagFone iPhone Unlocker, you can completely and safely erase your iPhone and then set up on your device. MagFone iPhone Unlocker is a top-rated unlocking tool that can help you deal with various unlocking issues related to iPhone, iPad, and iPod touch. In addition to removing screen locks, Apple ID, and so forth, this tool can help you reset iPhone to factory settings. The following are the main features of MagFone iPhone Unlocker.

Key Features of MagFone iPhone Unlocker
* Security Verified. 5,481,347 people have downloaded it.
- Unlock various screen locks like Face ID and Touch ID on all iOS devices
- Remove Apple ID from iPhone and iPad without password and data loss
- Bypass Screen Time passcode and MDM restrictions without passcode
- Support the latest version of iOS and iPadOS, as well as, iOS devices
It's easy to use MagFone iPhone Unlocker even though you are a newbie. Follow the below step-by-step guide on how to factory reset iPhone via MagFone iPhone Unlocker.
Step 1 Run MagFone iPhone Unlocker and Connect iPhone

Firstly, connect your iPhone to your computer with a cable and launch MagFone iPhone Unlocker. After your device is detected on the computer, select the Unlock iOS Screen option on the interface of MagFone software and click on the Start button.
Step 2 Put iPhone into Recovery Mode or DFU Mode

Secondly, make sure that you have placed your iPhone into DFU mode or recovery mode. If not, follow the on-screen instructions to get your device entered into DFU mode. Then click the Next button.
Step 3 Select the Firmware Package to Download

Thirdly, go to check the device information of your iPhone. Manually correct the wrong information and select the matching firmware package to download by clicking the Download button.
Step 4 Reset iPhone to Factory Settings Without Passcode

After successfully verifying the firmware package, click on the Unlock button to remove the screen lock and reset your device to factory settings. Wait for a while, and don't plug your iPhone until the process finishes.
Conclusion
Now you have completely wiped your iPhone with the above methods. Then you can sell or give away it without worrying about leaking your personal data. If you can remember your Apple ID password, you can reset it without iTunes or computer. Or you can use iTunes to reset it in recovery mode. And you can also use MagFone iPhone Unlocker to reset iPhone once and and away.