I never understood screen protectors. In 15 years I have never used a screen protector on any smartphone, and have also never had any scratches on the screen either.
On average, I keep the same phone for 3-4 years (current phone is an iPhone 11, coming up on 6 years old).
On average, I keep the same phone for 3-4 years (current phone is an iPhone 11, coming up on 6 years old).