iPhone4S does not turn on, only the white apple is displayed, and it will turn off after a while

Reasons for the appearance of white apples:

1. Generally, when writing system files, due to the production or installation sequence, conflicts between software and software, and between software and systems;

2. Random deletion or wrong deletion of system files will also cause white apples;

3. Or the anti-installation software causes the loss of system-related files and white apples;

4. Overheating of the external environment or severe vibration of the iPhone can sometimes lead to white apples;

5. Non-iTunes installers, especially those written into the system, are most likely to cause ginkgo seeds, and some consequences are irreversible!

How to recover the white apple phenomenon:

1. Use the firmware recovery method. This method is prone to losing current information.

Upgrade iPhone with iTunes Recovery;

Restore to an earlier version of the system using tinyumbrella.

2. Manually solve the white apple method.

b. Open this file with a Wordpad, and note that there will be confusion in the format when opening it with Notepad.

d. Press and hold the power and home to forcibly turn off the machine, and then turn it on.

Press home+ power, force off, and then turn it on.

Change the battery and try it, if it doesn't work, it's IC virtual soldering, find a maintenance point to check it.

If the system is caused by a system failure, you need to use iTunes to restore the system.

1.Install iTunes. Launch iTunes.

2.Plug in your iPhone, press and hold Power (power on and off button) and Home (the circle button below) for 10 seconds, wait for the iPhone to go black (as a rule of thumb, probably after the black screen seconds), release the Power button, and keep holding it.

Until iTunes recognizes the iPhone.

3.At this time, Windows will first discover some new hardware and drive it by itself, and a prompt box will pop up after iTunes automatically recognizes the iPhone. "iTunes has detected an iPhone stuck in recovery mode, you have to restore this iPhone and then use it with iTunes.

At this point, click OK.

4.Open iTunes, display the cross-section of iPhone capacity and information, click Recover, and start the recovery process.

5.Until a cable connection screen is displayed on your iPhone, iTunes prompts that the firmware restoration is complete.

That's a white apple, and you need the computer to boot it on.

It's a white apple, restore the system.