Getting your iPhone 15 back to square one is easier than you think. First, you need to tap on the Settings app and select General. Scroll down until you see Transfer or Reset iPhone and tap it. You will then choose Erase All Content and Settings to start the wiping process. The phone will ask for your passcode and likely your Apple ID password to turn off safety features. Once you confirm your choice, the screen will go black and the reset begins. After a few minutes, you will see the welcome screen just like a brand new device.
Tutorial for an iPhone 15 Factory Reset
This process is going to completely wipe your device clean. It removes every photo, text message, and app you have downloaded. You usually do this before selling the phone or if a software bug is ruining your day.
Step 1: Back up your important data to iCloud or a computer before you do anything else.
You do not want to lose your memories or contacts forever. If you skip this step, there is no way to get your information back later. Take a few minutes to ensure your latest backup is safe and secure.
Step 2: Open the Settings app on your iPhone 15 home screen to get started.
This is the gray icon that looks like a set of gears. It is the command center for everything on your device. You will find it on your main page or in the App Library.
Step 3: Tap on the General tab located a bit down the list.
This section holds all the main controls for your system. You might need to scroll down slightly to find it. It sits right below the Screen Time option.
Step 4: Scroll to the very bottom and select Transfer or Reset iPhone.
Apple puts this option at the end so you do not click it by accident. It is the gateway to moving your data or wiping the slate clean. Tap it once to see your next set of choices.
Step 5: Tap the button that says Erase All Content and Settings.
Be careful not to just hit Reset, as that only changes settings without deleting data. You want the option at the bottom of the screen. This tells the phone you are ready for a total factory reset.
Step 6: Tap Continue and enter your passcode to confirm you have the authority to do this.
The phone needs to know it is really you making this request. It acts as a security gate before the destruction of data begins. You might also see a summary of what will be deleted.
Step 7: Enter your Apple ID password to turn off Activation Lock and Find My iPhone.
This step is vital if you plan to sell or give away the iPhone 15. It removes the device from your Apple account completely. The phone cannot be set up by a new user until this lock is removed.
Step 8: Tap the final confirmation button to begin the erasure process.
This is the point of no return for your device. The screen will fade out and the Apple logo will appear with a progress bar. The phone is now scrubbing its memory clean.
Once the progress bar finishes, your iPhone 15 will restart automatically. You will see the multi-language “Hello” screen that you saw when you first bought it. This indicates that all your personal data is gone. The device is now ready to be set up as new or restored from a backup.
Tips for When You Factory Reset iPhone 15
- Make sure your battery is charged to at least 50 percent so the phone does not die during the process.
- Unpair your Apple Watch before resetting if you plan on getting a new phone.
- Sign out of iMessage if you are switching to an Android device to ensure you still get texts.
- Decide if you want to keep your eSIM active or delete it when prompted during the reset.
- Keep your Wi-Fi password handy because you will need it to set the phone up again.
Frequently Asked Questions
Will this delete the operating system?
No, a factory reset does not remove the iOS software itself. It only removes your personal data and apps. The phone effectively returns to the state it was in when it left the factory.
Can I undo a factory reset once it finishes?
You cannot undo the action once the data is wiped from the storage. That is why having a backup is so critical. Once the files are gone, they are gone for good.
Do I need a computer to reset my iPhone 15?
You do not need a computer if you can access the Settings menu on your phone. A computer is only necessary if you are locked out of the device. The steps above are all done directly on the screen.
What if I forgot my Screen Time passcode?
If you cannot remember the code, you might have to use a computer to restore the phone. You can also try to reset the passcode using your Apple ID credentials. Without the code, the Settings menu might block you from erasing the device.
How long does the reset process take?
The process usually takes between five and ten minutes. It depends on how much data you had stored on the device. Older phones or very full phones might take a little longer.
Summary
- Backup data.
- Open Settings.
- Tap General.
- Tap Transfer or Reset iPhone.
- Tap Erase All Content and Settings.
- Enter Passcode.
- Enter Apple ID Password.
- Confirm Erasure.
Conclusion
Taking the step to wipe your device is a big decision. It is the ultimate solution for persistent glitches that just won’t go away. It is also the only responsible way to prepare your device for a new owner. By clearing out your personal information, you protect your privacy and security. Nobody wants a stranger looking through their old photos or reading private messages.
Always remember that preparation is the most important part of this task. The actual tapping of buttons takes seconds, but the backup ensures you are safe. You should double-check that your photos and contacts are saved in the cloud. Once you are sure, you can proceed with total confidence. The process is designed to be user-friendly and hard to mess up.
If you are keeping the phone, you will get to enjoy that “new phone” feeling again. The interface will be snappy and free of clutter. If you are selling it, you can hand it over knowing you did it right. Learning How To Factory Reset iPhone 15 is a valuable skill for any modern smartphone owner. It gives you control over your digital life and your expensive hardware.
Matthew Burleigh has been writing tech tutorials since 2008. His writing has appeared on dozens of different websites and been read over 50 million times.
After receiving his Bachelor’s and Master’s degrees in Computer Science he spent several years working in IT management for small businesses. However, he now works full time writing content online and creating websites.
His main writing topics include iPhones, Microsoft Office, Google Apps, Android, and Photoshop, but he has also written about many other tech topics as well.