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What is the reason why Apple's mobile phone automatically shuts down?

Iphone automatically shuts down for several reasons:

1, the influence of mobile phone operating environment: After entering winter, the weather is cold, the temperature drops, and the probability of iPhone automatically turning off is greatly increased. Because the battery of iPhone uses lithium-ion battery.

At low temperature, if the temperature of lithium ion battery is too low, it will slow down the chemical reaction of internal electrolyte, weaken the activity of lithium ion between the positive and negative electrodes, and lead to unstable discharge performance of the battery, so it will automatically shut down. It should be avoided to be used in outdoor cold environment for a long time, and the iPhone will automatically turn on at a suitable temperature.

Apple official website technicians said that battery hardware, system, motherboard and weather may all lead to automatic shutdown. Users are advised to test the battery hardware first, and then upgrade the system if there is no problem. If the system is automatically shut down after upgrading, you need to go to Apple's official maintenance point to return to the factory for maintenance.

In addition, Apple's relevant technical personnel said: battery hardware, system, motherboard and weather may all lead to the above-mentioned automatic shutdown problem, and the best operating environment of Apple's mobile phone is room temperature 15 degrees Celsius to 22 degrees Celsius.

2. Too low temperature affects electronic activities: low temperature in winter will affect the battery capacity, so electronic activities will "slow down", and another is that the battery itself will age due to too long use.

3.ios 10 system upgrade: There was no problem when it was ios9 version before, but it began to consume power crazily after upgrading to ios 10 system. In fact, this is not difficult to understand, because the new system has more or less optimization in each plate, so with the increase of memory, power consumption is also increasing.