It is hard to make the decision for an iPhone factory reset because all contacts, files, images and etc. data on iPhone will be erased. You may ask that why we have to hard reset iPhone. In the following situations, you need to restore iPhone to factory settings without hesitation:
In this tutorial, you will learn three ways to hard reset iPhone with or without passcode.
Attention: Factory reset iPhone will wipe all data in iPhone. It is better for you to back up iPhone and take out iPhone SIM card before you take the following ways to hard reset iPhone.
When iPhone buttons are available, this way is one of the easiest methods to restore iPhone to factory settings without passcode.
Step 1: Press and hold the Home button (at the bottom of iPhone) and the Sleep/Wake button (on top of the iPhone) simultaneously.
Step 2: Hold both buttons until the iPhone shuts off and begins to restart.
Let it go when you see the Apple logo appear on screen. You've just performed a hard reset. For iPhone 7/7Plus users, you need to press Sleep/Wake and Volume Down buttons together until you see the Apple logo.
When passcode is still remembered, and you can successfully access iPhone, iPhone can be hard reset via menu.
Step 1: Go to Settings > General > Reset and select "Erase All Content and Settings".
Step 2: When a message prompts you whether you want to restore iPhone to factory settings, just click OK to confirm. Then you need to enter the Apple ID password to allow the action. Minutes later, iPhone will be reset.
When there is no passcode and iPhone buttons not working, you can take advantage of third party tool to restore iPhone into factory settings. Here we present two tools to help you factory reset iPhone: iOSBoot Genius and iPhone Passcode Genius.
iOSBoot Genius is the tool that can help you enter iPhone recovery mode with only one click and restore iPhone to factory default easily with one button.
Step 1: Make sure iTunes and iOSBoot Genius installed in Windows computer.
Step 2: Connect iPhone to computer with USB cable.
Step 3: Run iOSBoot Genius and check connected iPhone.
Step 4: Enter iPhone recovery mode with one click on "Enter Recovery Mode" of iOSBoot Genius.
Step 5: When iTunes prompts you that iPhone is in recovery mode and you must restore it before it can be used with iTunes. Click OK.
Step 6: Restore iPhone by clicking iTunes "Restore iPhone" button.
This way works when you couldn't use iTunes to enter iPhone recovery mode successfully and then restore it to factory default. If iTunes can do that, you can directly use iTunes to restore iPhone. After iPhone hard reset, restore iPhone from iTunes backup or iCloud backup is the best way to recover data ever on iPhone memory card.
Without using iTunes, iPhone Passcode Genius can be used to factory reset their iPhones. This software comes with good, clear and intuitive interface for easy unlocking and reset of their iPhone. You can follow the steps below to reset the iPhone quickly.
Step 1: Download and install iPhone Passcode Genius on your computer. Once done, start the program and choose Unlock Lock Screen.
Step 2: Click on the Start button and connect your iPhone to the computer.
Step 3: When the program detects your iPhone, click the Download button as the screenshot shows.
Step 4: Click the Unlock button and your iPhone will be reset. All your personal data in iPhone will be erased permanently. Of course, so does your passcode.