The full name of DFU is Device Firmware Update. Under DFU Mode, you can choose or change the firmware you want to install onto your iOS devices. In other words, DFU Mode is used to upgrade or downgrade the firmware. For example, you can enter DFU Mode to restore a previous iOS version, jailbreak iPhone or unlock SIM if you want. If standard recovery mode doesn't work for you to get your device back to working condition, DFU mode may help you out. Therefore, this post will tell you how to put your iPhone in or get your iPhone out of DFU mode in a few clicks.
Part 1. How to Enter DFU Mode on iOS Devices
Method 1. Enter DFU Mode Manually
1. Plug your device into your computer with a USB cable.
2. Turn off the device.
3. Hold the Power button for 3 seconds.
4. Hold the Home and Power buttons for 10 seconds.
5. Release the Power button but keep holding the Home button.
You will see a circle at the bottom of the iPhone, and you have successfully entered DFU mode on iPhone now. But you won’t enter DFU mode on iPhone if you see the Apple logo after releasing the power button. You can start over and enter DFU mode on your iPhone.
Method 2. Enter DFU Mode with iTunes
1. Connect your iPhone to the computer with an USB cable and run iTunes.
2. Turn your iPhone off by pressing the Power button on the top of your iPhone.
3. Press the Power and Home buttons at the same time for exactly 10 seconds.
4. After that, release the Power button and keep pressing the Home button for another 10 seconds.
Method 3. Enter DFU Mode with Leawo iOS Data Recovery
If you have used or planned to use the professional Leawo iPhone 4/iPod touch 4 Data recovery to restore your iPhone 4 or iPod touch 4, one thing you must know is how to enter DFU mode of the two programs. As by using either one of the two programs to recover deleted, damaged or lost data on your devices, you should put your iPhone 4 or iPod touch 4 into DFU mode and then start scanning and recovery. This is not only the first step to recover files from iPod touch 4 and iPhone 4, but also the key stepping stone to iPod touch 4 and iPhone 4 data recovery. The following steps will show you how to enter DFU mode with the software.
Step 1. After launching the program and connecting your device to the computer, hold your device and then click "Start" button on the program interface.
Step 2. After clicking "Start" button, hold "Power" and "Home" button for 10 seconds at the same time. You can look at the count-down seconds shown on the program interface to estimate the time remained.
Step 3. When 10 seconds passed, release the "Power" button right away, but keep holding the "Home" button for another 10 seconds until you see the tip that you’ve successfully entered the DFU mode, and then you can release the "Home" button then. Once the DFU mode of your iOS device has been activated, the program will automatically start to analyze and scan your device.
Part 2. How to Exit DFU Mode on iOS Devices
Method 1. Exit DFU Mode on iOS Devices
You can press “Power” and “Home” button of your device synchronically for a while until you see a white Apple logo appearing on your device. Then you can achieve DFU mode exit successfully on your device.
Method 2. Exit DFU Mode with Leawo iOS Data Recovery
You may want to exit DFU mode and switch to another recovery mode when you finish scanning but can’t find the exact files you want. This guidance is to teach you how to exit DFU mode of iPhone 4 and iPod Touch 4 smoothly when you’re using Leawo iOS Data Recovery software package.
Solution 1: If you want to complete DFU mode exit without closing the program, you can try this way. When you have entered the post-scanning program interface, you can directly click "Exit DFU Mode" on the bottom-left interface of the program when you finish scanning. Then your device will return to the “Home” interface and you can choose recovery mode again.
The methods mentioned above are about how to enter and exit DFU mode on iOS devices, which are all available for you to finish the task if you have the relative requirement. Or if you have any other good solutions on how to enter and exit DFU mode, you can also share them to us. While using Leawo iOS Data Recovery to enter and exit DFU mode, you can recover deleted data from iOS devices under DFU mode with the software, which include deleted Contacts, Messages (MMS/SMS/iMessages), Call History, Calendars, Reminders and Notes. You can also recover them under general mode.
Part 3. How to Recover Deleted Files from iPhone Under DFU Mode
It's hard to estimate the exact 10 seconds and enter DFU mode manually on your iPhone. At this moment, you will need the help of iPhone data recovery software. Leawo iOS Data Recovery provides great help on this issue, and it allows users to extract files from iPhone under DFU mode, which won’t cause any data loss in your device. Leawo iOS Data Recovery now enables users to extract files from iPhone 4 and iPod touch 4 under DFU mode. The following guidance will show you how to recover deleted files from iPhone 4 under DFU mode. You can free download the software to have a try.
When the recovering process is done, you will get the files in the target folder. If you want to exit DFU mode on your iPhone 4, you only need to click Exit DFU Mode at the left bottom of Leawo iOS Data Recovery.
Leawo iOS Data Recovery is helpful and useful software for iPhone, iPad and iPod touch users, and this software helps to recover deleted files for all kinds of iOS devices, for example, you can recover deleted notes from iPad Pro with this software. It will bring much convenience to your daily life, if you are interested in it, just check it out.