Provided that neither the shell nor the phone have been dropped, the hard plastic part breaks alone in corners and cracks on the side of the hull suddenly loses its rigidity and no longer holds the phone very well in place.
This apart, protection plays its role as it has avoided a fine scratch on the phone (over key house phone in the pocket: beware of scratches!
The screen protectors are effective but also it is not the main interest of this cover.
The fact that the rear part folds as the picture is convenient to call or to type on the keyboard but requires a little practice.
I do not use all the pen.
