obvious when applied to your phone), particularly given that films like TPU can give self-healing edge-to-edge defense for phones with curved screens.A screen protector will not secure your phone's back, sides, and even the screen's corners. A good case (particularly one with a "lip" over the screen) can safeguard your phone from drops more than any screen protector, so purchase one unless you're lucky or have a strong insurance coverage in addition to whatever screen defense you want.