The glass around the triple-lens camera is relatively thick and the glass in this area is harder to remove. No matter how hard it is, you still can find a way to overcome it.

If you are not able to tear down the glass in this area, you can laser the glass in this area one more time.

Here, the engineer is using a blade, a grinding tool, a sculpture knife to remove the glass in this area.

You should be more patient in this step. Finally, you can take out the glass in this area successfully.