Perhaps use professional software is a convenient and practical way. Dr.Fone is a versatile iOS data processing software. It can solve all aspects of the problem about the iOS device. For example, iOS data recovery, system recovery, data deletion, data backup, etc.. The white apple logo problem requires the application of the system recovery function. This feature can repair your device to the normal state; in addition, it will not damage your data. At the same time, you don't need to worry about the risk of data loss. It is easy to use, and anyone can operate it correctly.
Note: After using the software, your iPhone will be upgraded to the latest version of iOS.And if your iPhone is a jailbroken one, then it will be updated to non-jailbroken. If you have unlocked your iPhone before, then it will be re-locked again.
Step 1. First, you need to download and install the Dr.Fone on your computer, and then run it. Next, as you can see, there are four icons on the left side of the program interface, click "More Tools” and select "iOS System Recovery". In addition, you need to use the USB line to connect your iPhone to your computer. When the program is sensing your device, you can click on the "Start".
Step 2. Next, you need to download the firmware for your phone to return to normal. The program will automatically detect your phone and provide you with the latest and appropriate version. You just need to click on the "download" and wait for the completion of the process.
Step 3. When the download is complete, the program will automatically begin to repair your mobile phone. This process may take a little time. Your phone starts to return to normal. When the repair process is complete, you can see the program interface shows "repair operating system is done". Now, you can normally use your cell phone.
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