PHStep 1.
Download the program to your computer
First of all, please download and install the dr.fone toolkit directly to your computer. After running it, select "System Recovery"
Step 2.
Connect iPhone to the computer
Then, prepare an Apple USB line and use it to connect your iPhone to the computer. The program will automatically senses your device, and when it recognizes success, click "Start".
Step 3.
Boot your iPhone in DFU mode
Next, you need to manually operate your iPhone into DFU mode. The program provides detailed steps, as shown in the following figure. To do this, please hold the Home button and Power button for about 10 seconds, then release the Power button and still hold the Home button.
After the iPhone is in DFU mode, dr.fone will automatically detect it. Then you can release the Home button.
Step 4.
Select and download the firmware
When your iPhone is in DFU mode, you need to select the correct firmware to match your device. Make sure that the model and name you selected is correct. Then click "Download" to move on to the next step.
The firmware download process will continue for some time, and you will not only make sure that the connection between the iPhone and the computer is normal, but that the network is stable.
Step 5.
Fix iOS to normal status
When the firmware download is complete, the program automatically fixes your iPhone. It will take some time, too. When your iPhone repair is successful, it will restart into normal mode. If it does not boot normally, you can click on Try Again to try the process again.
source:recoverandroid/ios
