The way to check the processor:
First of all, please open the App Store application on your iPhone, as shown in the picture:
In the App Store, first click on the search section at the bottom, and then search for Lirum Device Info Lite in the search box:
Next, please click on the Get Installed button to proceed:
Then, please enter the Apple ID account password or use Touch ID?fingerprint recognition to download the application. button to continue, as shown in this picture:
Then please enter your Apple ID account password or use Touch ID to download the application, as shown in this picture:
The first time you run the application, please click the Not Now button to continue, as shown in this picture:
Then you can see the current CPU model of the iPhone, and in the Model column, you can see the current CPU model.