How to Enter DFU Mode on iPhone?

If your iPhone got a problem, you may resort to resetting and DFU mode if you failed to fix the problem after trying many methods. DFU mode is the last step on the iPhone troubleshooting ladder. Resetting is just a forced reboot. DFU(Development Firmware Upgrade) mode puts your iPhone into a state that it can still communicate with iTunes on your computer, but the boot loader or iOS was not activated.

How to enter DFU mode on iPhone 5/5c/5s/6/6 Plus?

1. Open iTunes on your PC or Mac.

2. Plug in your iPhone with included USB cable line.

3. Turn off your iPhone if it’s still on.

4. Press and hold down the Power button for 3 seconds

5. While you press the Power button, press the Home Button at the same time, keep pressing both buttons for 10 seconds (If you see the Apple Logo, it’s resetting mode, you’ve held them too long, you need to start again to enter the DFU mode).

6. Release the Power Button but keep holding the Home Button for about 5 seconds. (If you see the screen “Plug into iTunes”, then you’ve held too long, you should start again).

7. When you see the screen still black, bingo, iPhone enters into DFU mode.

How to enter DFU mode on iPhone 7/7 Plus

As Home button in iPhone 7/7 Plus has gone to Force Touch, there is a little different for iPhone 7/7 plus enters DFU mode.

1. Open iTunes on your PC or Mac.

2. Plug in your iPhone with supplied USB cable line.

3. Turn off your iPhone 7/7 Plus if it’s still on.

4. Press and hold down the Power button for 3 seconds.

5, While you press the Power button, press the volume down button at the same time, keep pressing both buttons for 10 seconds (If you see the Apple Logo, it’s resetting mode, you’ve held them too long, you need to start again to enter the DFU mode).

6. Release the Power button but keep holding the volume down button for about 5 seconds. (If you see the screen “Plug into iTunes”, then you’ve held too long, you should start again).

7. When you see the screen still black, congratulation, iPhone enters into DFU mode.