There are several ways to look at the processor model of Apple's mobile phone.
The first is to open the Settings, click on general, and then look at the machine, look at the model of your phone, and then look at the processor model corresponding to your phone model from the Internet, or install an Antutu software on your phone, click on the machine, and then you can see the parameters of the phone, which has the processor information of your phone.
Go to the phone Settings and click About this machine to view the processor