How do I put iPhone 4s in DFU mode?

Introduction

  1. Plug your device into your computer.
  2. Turn off the device.
  3. Hold the Power button for 3 seconds.
  4. Hold the Home button without releasing the Power button for 10 seconds.
  5. Release the Power Button but keep holding the Home button.

How do I fix my iPhone stuck in DFU mode?

Tip 1. One of the simplest ways to get your device out of DFU mode is to Hard reset the device. Follow these simple steps to do it. Step 1: Hold down the sleep/wake button and the home button simultaneously for about 10 seconds. Step 2: Let go when the Apple logo appears and the device should restart.

What is DFU mode iPhone 4?

What is iPhone DFU mode? DFU mode is a state that you can put your iPhone into where it can interface with iTunes, but does not load the iPhone operating system or boot loader (this is what really differs DFU mode from the more simple recovery mode). DFU stands for Device Firmware Update.

How do I put my iPhone 4s into DFU mode without the power button?

Here’s How to put iPhone in DFU mode:

  1. Start with your phone unplugged from your computer.
  2. Hold the Sleep/Wake switch until you get the red slider and turn the phone off.
  3. Start iTunes on your computer.
  4. Hold the Home button down and keep holding it down while you plug the phone into your computer.

What is the purpose of DFU mode?

DFU mode lets the device interface with iTunes, update the firmware and restore the OS without automatically installing the last downloaded version. It’s useful for installing older versions of iOS if a beta persistently hangs your phone, or if a jailbreak goes bad.

Why is my iPhone stuck on the Restore screen?

It’s possible your iPhone got stuck in Recovery mode because the iOS update files on your computer are corrupt. If this is the case, using the same computer to restore your iPhone won’t fix the problem. This is because your computer uses the same corrupt software files to reinstall iOS.

Does iPhone 4 have recovery mode?

Press and hold the Home button and the Sleep/Wake button at the same time. As soon as the screen goes black release the Sleep/Wake button. Continue holding the home button until you iTunes pops up a message telling you that it has detected an iPhone in recovery mode.

Categories: Common