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How do I cut a phone’s tempered glass screen protector by green laser?

Apr 23 , 2021

How do I cut a phone's tempered glass screen protector by green laser?

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3 Answers

Profile photo for Jona Arkenson

Jona Arkenson, Worked at Best Buy for 2 years, Samsung for many years

Answered February 13, 2021 · Author has 6.1K answers and 10M answer views

It's impossible, you need a special laser to perfectly cut glass.. otherwise, you will simply crack the glass if you tried to use scissors or a knife (even if you did cut it without breaking the glass, it will be very imperfect and the edges will stick out and be very sharp). You need to be a very skilled craftsman with special tools normal people don't have.


Just buy the correct tempered glass screen protector for your phone. If you buy it from China directly, it would cost a dollar or two.. otherwise they usually cost $8–12 from USA sellers online.


1.1K viewsView upvotes · Answer requested by Brandon Dotson

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Profile photo for Louis Louw

Louis Louw, General manager in aluminium window manufacturing.

Answered 2 years ago · Author has 157 answers and 227K answer views

Short answer, you can't. Tempered glass is under stress and can not be cut.


But, are you sure it is tempered glass, i have had a few screen protectors and they all chip on the side or crack across the screen. Which can not happen with tempered glass.


Try cutting it with a glass cutter and breaking it on the line. You will have to polish the cut edge with a fine sand paper.



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Mark Becker, Many years of lawn planning and growing.

Answered 1 year ago · Author has 979 answers and 619.2K answer views

Originally Answered: How do you cut a tempered glass screen protector?

One can’t cut tempered glass - the first scratch/cut will cause the glass to fragment into 100s of small pieces.


wikipedia’s explanation is clear


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