What really happens in your phone when you allow an app to access your photos and other phone sections??

Immediately you download an app to your phone, more than likely, the app will ask
for your permission to access certain features in your device.

I KNOW YOU MIGHT BE WONDERING ON WHAT GOES ON WHEN YOU GRANT THEM ACCESS TO THOSE FEATURES?

Apps such as lnstagram request access to your photos as without access to the camera, the app can't function.

This is similar to Facebook Messenger, as many users will be sending photos to friends and saving picture messages.
According to Android, the purpose of a permission is to protect the privacy of an Android user.

Android apps must request permission to access sensitive user data as well as certain system features.
Depending on the feature, the system might grant the permission automatically or might prompt the user to approve the request.

System permissions are https://mydreamlandpress..com/2018/10/see-what-some-apps-do-to-you-when-you.htm