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1. Press and hold the home button and the power button without loosening, release the power button after 5 seconds, and the phone will enter DFU mode.
2. Open iTurns on the computer and connect the phone to the computer with a data cable.
3. iTurns automatically prompts the phone to find the problem and whether to restore it. Click OK.
4. It takes about 20 minutes to complete the recovery. Automatic phone restart. Go to the desktop.
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1.When the white apple is displayed on the phone screen all the time, please press the "Power and Home Screen" button at the same time, keep it for more than 10 seconds, and force restart the phone.
2.Then pay attention to see if the phone can be restored to normal. If the white apples are still displayed on the screen, read on.
3.The above method has been tried, and if it can't be restored to normal, it means that the current mobile phone system has completely collapsed, and the only way to recover is to do so. Since the white apple icon is displayed on the screen at this time, you need to press the "Home + Power" button on the home screen at the same time until the screen goes black.
4.Next, connect your iPhone to your computer and open the iTunes software on your computer. If you don't have iTunes software installed on your computer, go to Apple**.
After following the above method, the Apple iPhone should be turned off at this time. Then follow the steps below:
1. Press and hold the power button first to turn on the computer, then the Apple logo will appear on the screen, do not release the power button.
2. Then press and hold the home button on the home screen until the screen goes black.
3. When the screen is black, please release the power button, and don't release the home button on the home screen until iTunes on the computer side detects an iPhone in recovery mode
Note: If entering the recovery mode is unsuccessful, shut it down again, try a few more times, and get familiar with it.
5.Subsequently, please click on the "Restore iPhone" button in the iTunes window.
6.Then wait for iTunes to connect to the network to detect the latest system that is currently suitable for your phone and prompt you to restore it.
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It is recommended to go directly to the after-sales service and brush it back.
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If you don't know how to flash the machine yourself, you can also go to an ordinary maintenance point to flash the machine, ** in a few dozen dollars.
Now press and hold the power button and the home button at the same time (that is, the circular button at the bottom of the screen), after about 3-4 seconds, the machine will go black, no matter what the state of the machine is, you only need to press and hold two buttons.
3.This is the most crucial step, if you can confirm the time of the black screen, then wait 6-7 seconds after the black screen, release the power button, and keep holding the home button. If you can't figure out when the screen goes black, then start holding down the power and home buttons for about 8-10 seconds, then release the power button and keep holding the home button.
4.If you are entering DFU for the first time on this computer, Windows will prompt you to install the driver, if the screen is still black, this means that you have successfully entered DFU mode.
Then click Update directly, the update will be slower, you can find the official firmware of iPhone4 or 4S or iPhone5 on the Internet, ** Hunger Sail and then press the above steps, and then not directly click to update, is to hold down the shift key, click Restore, find your just ** good firmware, just double-click, you can rest. Wait for about 30 minutes for the flashing to complete.
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Connect iTunes Recovery and you're good to go!
First of all, you need to have a Windows CD.
Then put it in the optical drive. >>>More
3. Copy it to your Mac with a USB flash drive.
4. Double-click to open on Mac"microsoft office ", follow the steps to install step by step. >>>More
Start menu - All Programs - Accessories - Command box prompt, type netsh winsock reset, press enter, and then restart your computer. >>>More
Connect the data cable to the computer, open itune, and then press the home button + power button together, after restarting, itune will find a device that needs to be restored, click restore to flash the firmware again.
Can you call the local customer service first to check whether the status of the mobile phone is normal? Whether it has handled the business such as temporary shutdown or shutdown insurance number, if it is handled, it is impossible to dial and answer**.