How can enter dfu

Entering the DFU more involves a complicated sequence of pressing, holding and releasing buttons with precise timings. Wrong timings during any of the multiple steps would reboot the device instead of switching it to DFU.

Finally, there is no on-screen indication of DFU mode. If the device is successfully switched to DFU, the display remains black. Entering DFU mode can be difficult even for experts. DFU is part of the bootrom, which is burned into the hardware. Steps for entering DFU mode differ between devices. Some devices have several different methods to invoke DFU, making it even more confusing. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy.

Cookie Settings. Explore this Article Steps. Related Articles. Article Summary. It's on the top-right or upper-right side of your device. Hold the button until you see "slide to power off" in the upper part of the screen. Slide "slide to power off" to the right. Your device will shut down. Connect your device to a desktop computer.

Use the cable that came with your device. Plug the USB end into your desktop and connect the pin or Lightning end to your iPhone's charging port. It's an app with a musical note icon. Hold the button for seconds. Release the power button, but continue to hold down the volume down button for a further 5 seconds.

Step 4. Following this, the screen should remain black, and that's when you know it's in DFU mode. With any model before, and including the iPhone 6s, you'll probably be more accustomed to the process.

Here are the steps that you need to follow:. Connect your iPhone to your computer, ensure that iTunes is open, and then turn off your iPhone. Once your iPhone is off, press and hold the power button either on the right side of the phone or on top of the phone for 3 seconds.

While you're still holding that, press and hold the home button for approximately 10 seconds. After holding down both buttons, release the power button, but carry on holding the home button for 5 more seconds. Unfortunately, even after following the steps above, some people just cannot put their phone into DFU mode. There are a variety of reasons for this, but most of them are a result of an iOS error.

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