Does the iPhone automatically power off when it is charged to 100?

Apple mobile phones have always been the endorsement of mobile phone quality in the minds of consumers, because of the excellent IOS system and very strict quality control, so will the Apple mobile phone automatically power off when it is charged to 100?

1. Apple mobile phones with iOS7 and above systems will automatically power off when fully charged.

2. Although there is still a charging sign on the upper right corner of the phone, it is essentially powered off or charged with a very small current. When the battery of the Apple mobile phone and even Android mobile phone is charged to more than 80%, it will enter a slow charging stage. After charging to 100%, power-off protection will be implemented. When the standby time of the mobile phone is too long.