A speck of dust and slight friction are usually enough. Forget about removing them because no matter what you do, it will probably be worse. Micro scratches are normal wear of the device. Consider getting a good quality screen protector and you will not worry about it for a while. [deleted] • 3 yr. ago.
I tried going caseless on my last phone (OnePlus 7 Pro). Dropped it cracking the screen the second day after ditching the case. Whoops. My iPhone 13 Pro Max has tumbled to the floor numerous times and the $15 case is a little scuffed and that's it. Zero screen damage of any kind.

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It should be strong enough to avoid scratches from keys, coins and razor blades, however. Apple's new iPhone 11 Pro Max carries an IP68 rating against liquid but as Zack highlights, Apple
That's simply not true. The iPhone 12 screen is around a 5.5 on the Mohs hardness scale, which means only materials harder than that scratch it. However, the most common component in sand and gravel, quartz, bits of which are actually found in most pockets just because it's common airborne debris, is harder. VpHfbnU. 40 321 149 420 385 131 257 96 27

is iphone 11 pro screen scratch resistant