If you compare the back of the two devices you will see differences in the layout of the cameras. In the case of the iPhone 12 Pro vs iPhone 13 Pro the camera module is larger on the newer iPhone.

The iPhone 12 Pro is the powerful flagship of 2020's iPhone 12 range. With a 6.1-inch display, a powerful A14 Bionic processor, and an upgraded camera ... we'd still slap a case on our iPhone.

As you can see, the dimensions are nearly identical between the iPhone 12 and iPhone 13, but unfortunately the camera bump on the back has been ... that your iPhone 12 cases will not fit the ...