Should I put a screen protector on my phone?

Are screen protectors necessary? What might happen if we do not apply a screen protector?

"...Screen protectors were once practically mandatory, but advances in glass and coatings have made them unnecessary for most people. You don't have to buy a screen protector when you get a new phone...

...So, When Do You Need a Screen Protector?

Some common materials can scratch Gorilla Glass. The biggest culprit is sand — if you go to the beach and end up with some sand in your pocket, that sand can rub against your smartphone’s glass screen and scratch it. Hard rocks work similarly — if you drop your smartphone on the ground and it skids along concrete or rocks, there’s a good chance its display will be scratched...

...Most smartphones you’ll buy use Corning’s Gorilla Glass. This is a toughened, hard glass with high scratch resistance... "

- https://www.howtogeek.com/190107/does-your-smartphone-really-need-a-screen-protector/

Does my Samsung Galaxy S10 have gorilla glass?

"...The front of the Galaxy S10 features Corning® Gorilla® Glass 6 for best-in-class cover-glass protection from drops. On the back, Samsung has designed in damage- and drop-resistant Corning® Gorilla® Glass 5."

- https://www.corning.com/gorillaglass/worldwide/en/products-with-gorilla-glass/smartphones/samsung/samsung-galaxy-s10.html 

Not true. Mine have scratched already. Probably scratched by the metal keys holder in my pocket.

Does my iPhone 12 Pro Max have gorilla glass?

Let's ask in another way... is iPhone 12 screen scratch proof?

"..Not at all. We take good care of our phones, even if we use them “naked”, and almost two months into using the iPhone 12 Pro Max as our main daily driver, we're seeing some pretty noticeable scratches, despite it only ever being on a table surface or in a pocket with nothing else..."

- https://www.pickr.com.au/qa/2020/is-the-iphone-12s-ceramic-shield-strong-enough-to-resist-scratches/ 

~ Adrian Lee @adrianvideoimage