My Apple 6Plus often gets stuck in the SMS interface when opening SMS, so I need to press the home button to return before opening it. Why?

The iphone clearly shows that the battery is still charging, but the phone suddenly shuts down automatically in a short time. Sometimes, holding down the Home button and the power button for more than 10 seconds to enter the DFU mode solves the problem, but after a while, the Apple phone will automatically turn off. Some even use DFU mode, and the mobile phone is still in a black screen state, and there is no response. What is the reason why Apple's mobile phone always shuts down automatically, and how to solve it?

1, system firmware compatibility problem

Mobile phone is hardware, and system firmware is system software, which is responsible for scheduling hardware operation and providing human-computer interaction with users. We know that Apple's ios system is closed. Some people like to break the restriction of ios system and escape from prison. They can download free APP cracking apps and apps banned by Apple. Because some functions of ios firmware have been rewritten, the compatibility between the original system firmware and the mobile phone hardware has been affected, and there is the possibility that the jailbreak system firmware will lead to the automatic shutdown of Apple's mobile phone. The solution to this situation is either to refresh the computer jailbreak or to refresh Apple's official system firmware.

2. Compatibility of application software plug-ins.

As mentioned above, Apple's IOS system is closed. All APP applications running on the IOS system must pass Apple's official certification test. Only the tested app can be downloaded, installed and used by other users in Apple's APPstore. Some APP applications that affect the security of Apple systems or users are banned from going online by Apple. However, jailbroken Apple phones cannot install these APP applications, such as interface beautification, address book management tools, SMS management tools, file management tools and other app plug-ins. Because these plug-ins have not been strictly tested by a third party, it may lead to compatibility problems in the system, which may lead to the automatic shutdown of Apple's mobile phone. The solution to this situation is to uninstall the recently installed APP application plug-in.

3, hardware problems, battery leakage

The charger of iphone is 5V and the charging current is 1A, while the charger of ipad is 5V and the charging current is 2A. Long-term use of ipad charger to charge iphone will damage the battery of iphone. If a non-original charger is used, if the charging voltage and current are not strictly controlled, the battery of the iphone will be damaged, so that the battery life of the iphone will be poor and the power consumption will be fast. Obviously, when there is electricity, it will be consumed in a short time. In this case, of course, it is impossible to start the phone in DFU mode, and only the battery of the Apple phone can be replaced.

4, hardware problems motherboard power IC

Power IC is a logic control unit on the motherboard, which is used for power supply and power consumption of Apple mobile phone. If there is a calculation error in the logic control unit, it is clear that the mobile phone battery is charged, and it is considered that the mobile phone battery is dead on the ic layer of the motherboard power supply, and the mobile phone is automatically turned off. In this case, you can use DFU hard boot mode to restart the phone. After using the mobile phone for a period of time, if there is a calculation error, the motherboard power IC will automatically turn off again. In a similar situation, find an official after-sales replacement machine for free during the warranty period. If the warranty period expires, you can only find a maintenance station for maintenance.