DFU stands for device firmware update. When in DFu mode, your phone will work with iTunes, so you can load new firmware, but IOS is not running on the phone. Check out http://osxdaily.com/2010/06/24/iphone-dfu-mode-explained-and-how-to-enter-dfu-mode-on-your-iphone/

On 20/09/16 22:49, Monica Jones wrote:
What is DFU mode/ Perhaps I know it by something else? Thanks bunches.

*From:* Mary Otten <mailto:motte...@gmail.com>
*Sent:* Monday, September 19, 2016 5:49 PM
*To:* viphone@googlegroups.com <mailto:viphone@googlegroups.com> ;
macvisionar...@googlegroups.com <mailto:macvisionar...@googlegroups.com>
; mac4thebl...@freelists.org <mailto:mac4thebl...@freelists.org>
*Subject:* iPhone 7: How to force restart, enter Recovery Mode, and
enter DFU mode

iPhone 7: How to force restart, enter Recovery Mode, and enter DFU mode
9to5Mac  /  Jeff Benjamin

<https://9to5mac.com/2016/09/18/iphone-7-how-to-force-restart-recovery-dfu-mode/>

Since the Home button on iPhone 7 isn’t a mechanical button anymore, and
is instead a capacitive solid-state button controlled by software, it’s
no surprise that performing hard resets, entering recovery, and entering
into DFU mode no longer works the same way on iPhone 7.

The good news is that you’ll only need to adopt a new button combination
to perform each of these tasks. Have a look at our full video
walkthrough, and we’ll show you how.


      How to force restart iPhone 7

To force restart (hard reset) the iPhone 7, press and hold the
Sleep/Wake button + Volume Down button for 10 seconds. Because of the
Home button change, it’s been replaced by the Volume Down button during
the process.

The side-effect to this method is that the Volume HUD appears on screen
each time you wish to force restart the iPhone 7. Not a big deal, but
not as “clean-looking” as in the past.


      How to get into Recovery Mode on iPhone 7

*Step 1:* Connect your iPhone 7 to your Mac or PC with a Lightning to
USB cable.

*Step 2:* Press and hold the Sleep/Wake button and the Volume Down
button until the screen turns off. Continue holding the Sleep/Wake
button + Volume Down button, even after you see the Apple logo appear.

*Step 4:* Release the Sleep/Wake + Volume Down button once you see the
Connect to iTunes message appear on the iPhone 7’s screen.

*Step 5:* Launch iTunes, and you should see a message stating that
/“There is a problem with the iPhone that requires it to be updated or
restored.”/


    Video tutorial

[embedded content]

/Subscribe to our YouTube channel
<https://www.youtube.com/c/9to5mac?sub_confirmation=1> for more iPhone 7
videos/


      How to get into DFU mode on iPhone 7

Getting into DFU mode, as you can probably guess, also requires a change.

*Step 1:* Connect your iPhone 7 to your Mac or PC with a Lightning to
USB cable.

*Step 2:* Press and hold the Sleep/Wake button and the Volume Down
button simultaneously for 10 seconds.

*Step 3:* Release the Sleep/Wake button while continuing to hold the
Volume Down button for 10 additional seconds. Unlike Recovery Mode,
which presents a Connect to iTunes message on the screen, the iPhone 7’s
screen will remain blank while in DFU mode.

*Step 4:* Launch iTunes, and you should see a message stating that
/“iTunes has detected an iPhone in recovery mode. You must restore this
iPhone before it can be used with iTunes.”/

how-to-enter-recovery-or-dfu-mode-on-an-iphone-7

/The Volume Down button takes on an additional role on iPhone 7/


      How to exit Recovery mode or DFU mode on iPhone 7

As long as there are no issues with your iPhone, getting out of Recovery
Mode or DFU Mode is easy.

*Step 1:* Press and hold the Sleep/Wake button and the Volume Down
button simultaneously until you see the Apple logo appear (or the
connect to iTunes message disappear when in Recovery Mode). You iPhone
should boot back to the Lock screen.

Although there is no longer a mechanical Home button on the latest
iPhone, it’s still relatively easy to force restart, enter Recovery
Mode, and enter DFU mode by strategically wielding the Volume Down
button + Sleep/Wake button combination.

To learn more about the new iPhone 7, be sure to watch our Top iPhone 7
features video, embedded below:

[embedded content]


  Guides


      iPhone 7

iPhone 7 <https://9to5mac.com/guides/iphone-7/>

Apple's iPhone 7 and 7 Plus were announced on 7th September 2016

View THe Guide <https://9to5mac.com/guides/iphone-7/>


Original Article:
http://9to5mac.com/2016/09/18/iphone-7-how-to-force-restart-recovery-dfu-mode


Sent from my iPhone
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