DFU is an important mode to help rescue faulty iPhone 7, 7 Plus, 6s, 6s Plus, 6, 5s, 5, 4s devices that hang apple during use, how to put iPhone, iPad into DFU mode to Restore iPhone The following will help you know how to access DFU Mode on iPhone
In case your iPhone 7, 7 Plus, 6s, 6s Plus, 6, 5s, 5, 4s encounter complicated errors that occur during the upgrade process, update iOS on the iPhone or have apple hangs that have been 9Mobi.vn mentioned in the article
Guide to put iPhone, iPad into DFU mode to Restore iPhone
How to put iPhone, iPad into DFU mode to Restore iPhone you need:
Download and install the latest version iTunes tool here:
* For iPhone 6s, 6s Plus, 6, 5s, 5, 4s, iPad devices
To bring iPhone 6s, 6s Plus, 6, 5s, 5, 4s, iPad devices to DFU Mode, you operate:
Step 1 : Start the iTunes tool that has been downloaded to the computer and connect the iPhone device to the computer via the connection wire.
Step 2 : Press and hold the Power button and Home button for a period of time (20 to 30 seconds).
Step 3 : When the iPhone screen turns black , we count from 1 to 10 seconds and release the Power button and continue to hold the Home button until the computer screen displays a message as shown below, then release our hand.
Note : In case your iPhone device displays the Apple icon on the screen, you have made entering DFU mode failed due to holding down the Home key for too long.
* For iPhone 7, 7 Plus devices
Step 1 : Just like other iPhone devices, you connect the device to the computer through the connection cord and turn on the iTunes tool.
Step 2 : After successfully connecting, we proceed to turn off the iPhone device.
Step 3: Press the Power button on iPhone for 3 seconds, and then press and hold the Volume Down button for about 10 seconds .
Note : If after 10 seconds the iPhone screen displays an Apple icon, do it again.
Step 4 : After 10 seconds, we release the Power button and continue to press and hold the Volume Down button for about 5 seconds , so when the computer screen displays a message as shown below, immediately release our hand.
Note : If the device displays a connect to iTunes icon, perform the steps to enter DFU mode on iPhone 7 or 7 Plus again.
* How to Restore iPhone
Step 1 : After successfully putting the device into DFU mode, we press and hold the Shift + Click button to Restore iPhone .
For MAC devices, we press and hold the Command + Shift + Restore iPhone buttons .
Step 2 : The system will ask you to access the folder containing the iOS firmware file suitable for the device to restore iPhone.
Note : Currently, you can only use iOS 10.2.1 or later firmware to restore your iPhone.
Step 3 : The system will ask you to confirm Restore iPhone, click Restore as shown below.
Step 4 : And iTunes will proceed to load data, install Restore iPhone 7, 7 Plus, 6s, 6s Plus, 6, 5s, 5, 4s, your iPad.
https://Software/cach-dua-iphone-ipad-ve-che-do-dfu-de-restore-iphone-18407n.aspx
So we have just successfully learned how to put iPhone and iPad into DFU mode to Restore your iPhone whenever you have trouble not being able to start your iPhone device, in addition, there is another mode that can also help you overcome this situation that is Recovery Mode, to know the difference between this Recovery Mode and DFU Mode, you can refer to the article Differences